Why does my GMC engine start but not run?

Repair guides and support for cars, trucks, and SUVs manufactured by GMC. Answered! View the answer I have this problem too Is this a good question? An engine will start but not run when the fuel runs out .

What was the horsepower of a 1997 Vortec truck?

The truck engine was rated at 255 horsepower and 330 foot-pounds of torque. The 5700 engine appeared in the 1997 Chevrolet Express, Chevrolet Suburban, Chevrolet Tahoe, Chevrolet/GMC full-size trucks and the Cadillac Escalade. This engine was replaced in 2002 by the 5.3 5300.

What kind of engine did Chevy have in 1997?

Chevy placed a vortex or mini tornado within the combustion chamber to efficiently blend gas and air together. Vortec engines are the base engine used in all Chevy cars and trucks and come in a variety of horsepower and torque ratings. During 1997 Chevy still had a big block engine, the 454 cubic inch.

Can a bad throttle position sensor cause idle surging?

Idle surging can be caused due to other issues in the car, but if it happens in conjunction with other throttle position sensor symptoms, the culprit is often the TPS. At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges. 3) Check Engine Light

Why does my Chevy Truck start and idle?

Not sure why this test caused a better and longer gas flow than the above test of just putting the ignition in the ON position and seeing how much gas comes out of the line before the fuel filter. Last test says to start the vehicle and remove the relay.

Why does my Truck start when I press the gas pedal?

If it has gasoline in it, your regulator is bad. It’s about $50 for a new one at AutoZone. It’s a common problem on this engine. If this does turn out to be the problem, the reason it starts when you hold the key is because you are putting the ECM in “flood mode”.

How is the throttle connected to the accelerator?

In the old days, there used to be a cable that was connected from the throttle to the accelerator. But now in the technological age, the car’s computer controls when the throttle opens and closes by the feedback it gets about the acceleration of the vehicle.

How often does my GMC Sierra stall at 15 mph?

When I go from 15 mph to a stop it will stall about 50% of the time. The other times it will recover after the tach drops to almost “0”. I have a 2001 Sierra 1500 with the 5.3 V8.

Why does my Chevy Silverado stall at low idle?

I have the same problem with the stalling at a stop and low idle. It idles at around 400rpm when warm. It runs fine when cold. When I go from 15 mph to a stop it will stall about 50% of the time. The other times it will recover after the tach drops to almost “0”. I have a 2001 Sierra 1500 with the 5.3 V8.

What happens if the crankshaft on a Duramax goes bad?

Perhaps the most devastating of all Duramax failures is a broken factory crankshaft. Not only does this mean game-over for the engine, but it results in a truck that’s down for weeks (if not months) and a huge chunk of change missing from your wallet.

Why does my GMC Duramax Diesel not start?

Truck was idleing for 10 minutes warming up. Shut off and restarted 45 min. later. Drove down the street and it died and would not restart. While trying to start, the Battery not Charging warning came on. Towed it home and changed fuel filter. Primed and would start but stall if not continually priming. Dealer replaced injectors 20,000 miles ago.

Why does my Duramax Diesel keep cutting out?

. The Duramax diesel is susceptible to fuel starvation and getting air in the fuel lines. This can be contributed to the fuel filter housing design and the fact that the Duramax does not use a lift pump. Rather, the high pressure fuel pump (injection pump) is responsible for vacuuming fuel from the tank.

What causes a diesel truck to run out of fuel?

So cracked housing or loose filter will cause a problem. The CP3 pump will draw air instead of fuel. Fuel light on and empty reading on the gauge when full— This happens on many trucks, including mine when really full– after a couple so many miles it starts reading normal.

Why does my GM Truck shut down while driving?

At a dead stop. It would crank over, but not start. Ran the battery dead trying to crank it. My dad came to help, charged the battery, and it started right up. It sounds wierd but this is what its doing.

What to do if your GMC Sierra stall out?

69 people found this helpful. I have a 98 gmc searria 4×4 i checked fuel pressure it was under i changed fuel pump and fuel filter and its still starving for fuel what to do it starts with starting fluid 42 people found this helpful.

What to do if your truck won’t start?

Fuel pump is running it’s little heart out, starter is trying its hardest, but the truck just will not fire up till it damn well feels like it. I’ve already replaced both the cam and crank sensors, new fuel pump and filter as of 3 months ago, and new wires and plugs as of 2 months ago.

Why does my fuel pump cut off while driving?

Ended up being a faulty crank position sensor. Its used to fire right back up. But now when it shuts off it does not crank back at all. Also whenever you turn the key to on the fuel pump doesn’t cut on. But everything else will work. Check to see if you have spark and fuel pressure.

Why does my GMC Sierra suddenly stop running?

Truck suddenly stops running, acting like it’s out of fuel. There is fuel in the gas tank and, I can hear the fuel pump when I turn the ignition on. Is there a fuse, or relay that is maybe causing this to happen?

How to troubleshoot a no start GM 4.3L pick up?

Testing a Cranks but Does Not Start condition on your GM 4.3L, 5.0L, 5.7L pick up, van or SUV is not that hard to do, if you have a solid diagnostic strategy. In this article I’ll show you the basics of testing such a problem.

Why does my Silverado 1500 engine not start?

Restarting the engine from this state may be difficult. The fuel can vaporise due to being heated by the engine, by the local climate or due to a lower boiling point at high altitude. A vapor lock is more likely to develop when the vehicle is in traffic because the under-hood temperature tends to rise.

What kind of Chevy truck won’t start?

In this video we encounter a condition where a 2002 Chevy Silverado ( Similar to GMC Sierra ) pickup has a symptom of the engine cranks over but won’t start…. In this video we encounter a condition where a 2002 Chevy Silverado ( Similar to GMC Sierra ) pickup has a symptom of the engine cranks over but won’t start….

What to do if your truck wont start?

To avoid throwing guesses and parts at your truck, have the truck scanned for trouble codes as a first step. Some of the auto parts suppliers offer free code reading like Pepboys, Nappa, Advanced auto parts,etc and some of the guys are very knowledgeable and may have seen the issue often and put you on the right track.

Why does my car not start when I turn the key?

This condition is usually due a failed fuel pump, a failed ignition coil, a failed ignition control module, a failed crank sensor, etc… that lets the engine crank (turn over) but does not let it start. A No Crank Condition means that the engine is not turning over when you turn the key to crank the engine.

Why is my GMC Sierra 1500 not starting?

If a new car battery has been installed, the battery may not have yet reached its full capacity. There is nothing to worry about. A new battery only develops its full capacity over time. The voltage of the battery on your GMC Sierra 1500 can be measured precisely with a multimeter.

What does it mean when your car says no start?

A No Crank Condition means that the engine is not turning over when you turn the key to crank the engine. The most common problem, that causes this condition is a failed starter motor. If your vehicle is suffering a No Crank Condition, this tutorial may be a good starting point: How To Test The Starter Motor (GM 4.3L, 5.0L, 5.7L).

Why does my GM 4.3L engine not start?

No Start Condition Basics There are three very basic components that the engine, in your GM vehicle, needs to start and they are: Air, Fuel and Spark. When your 4.3L, 5.0L or 5.7L GM vehicle cranks but does not start, it’s because one of these components is missing from the mix.

Why does my fuel pump not start when I change it?

You always want to replace the fuel filter when replacing the fuel pump. This could cause the concern you are having. It may seem as you are getting enough fuel from the pressure regulator but if the pressure from the fuel tank is not correct, it will still not start. Another problem you could be having is spark.

Why does my Chevy Spark Plug not start?

Chevrolets have a common issue with fuel filters getting clogged. You always want to replace the fuel filter when replacing the fuel pump. This could cause the concern you are having. It may seem as you are getting enough fuel from the pressure regulator but if the pressure from the fuel tank is not correct, it will still not start.

What kind of problems does a 1993 Jimmy have?

I have a 1993 Jimmy. It has been having starting issues. We have heard everything from the fuel injectors needs to be cleaned to replacing the water pump. We have replaced the computer twice, the second time the garage replaced it free. But now it does not start but turns over.

How often does the GMC Sierra come out?

Their four generations have appeared every five to seven years: 1999 to 2007, 2007 to 2014, 2014 to 2019, and 2019 to the present. Here’s a look at some of the most common problems the GMC Sierra has had over the years.

When to see another doctor for a second opinion?

She’s the one with the MD, of course. But something’s not right. Should you get a second opinion? Yes, say experts, and don’t think twice. A fresh perspective can make all the difference for your health. Here, a few good reasons to schedule another appointment. 1. There’s been no mention of a specific diagnosis.

How often does my GMC Truck turn over?

So far this has been the case pretty much every time i am starting the truck cold. I’ll try to start it and it will turn over for about 3-4 seconds (have tried a bit longer, still no go) then i’ll stop and try to start it again, and the second time it fires right up.

What to do when your GMC Truck won’t start?

Try turning your key to the run position a few times (with out starting). Then try to start it. If it starts, sounds like what mine did. I replaced the fuel pump assembly and that fixed the problems. Very common problem.

Why is my GMC Sierra not turning over?

First, the ignition switch sends electrical current from the battery to the starter solenoid. The solenoid then forces the gear in the starter housing to engage the engine. When the starter motor turns on and spins the gear, the engine roars to life. If any of these stop working, it means the starter won’t turn over in your GMC Sierra.

Why does my GMC Canyon refuse to start?

No code for Anti Theft but now a code reads Battery Saver, and no start. Wait 15 mins, now truck wants to Start. I’m not sold on GM trucks so far, may need to drive this Truck from Florida to Detroit one way through the Engineers front office doors to get some Freaking answers!

Why does my GMC TBI start cold running?

Haven’t pulled the plugs right after because of the difficulty to get to them. This is all cold running because it won’t run long enough to get the engine hot or in a closed loop. Some 4. 3 have a IAT and some not. This one doesn’t have a IAT.

What kind of car starts but wont stay running?

Many people have reported having similar failures such as “my 2000 BMW starts but won’t stay running” or “my car starts then die unless I give it gas.” This article is here to give solutions to complaints and answer all the questions related to these kinds of problems.

Why does my car run after I start it up?

One potential problem that could arise is the inability to control the fuel injection system correctly. This might cause problems keeping the car running after you start it up.

What causes the fuel pump to not start?

The fuel pump is running and delivering normal pressure to the engine But, with all that working your engine still will not start. So, the most likely cause, is that the fuel injectors are probably not opening. The (PCM) uses the trigger signal from the crankshaft position sensor; and/or camshaft position sensor to pulse the injectors.

How to check for a faulty fuel pump?

THIS WILL POWER THE PUMP TO RUN AND CHECK FOR A FAULTY FUEL PUMP. 3. NEXT, CHECK FOR FUEL PUMP SIGNAL AT THE FUEL SYSTEM CONTROL MODULE. 4. FIND THE DARK GREEN/WHITE WIRE IN PIN13. WITH A TEST LIGHT CONNECTED TO THAT WIRE, TURN THE KEY TO THE RUN POSITION.

How to check fuel pump signal in gmflash?

1. CONNECT PIN1 (BLACK GROUND) TO PIN16 (PINK GROUND) 2. CONNECT PIN32 (RD/WH BATT + ) TO PIN47 (GY FUEL PUMP 12+) THIS WILL POWER THE PUMP TO RUN AND CHECK FOR A FAULTY FUEL PUMP. 3. NEXT, CHECK FOR FUEL PUMP SIGNAL AT THE FUEL SYSTEM CONTROL MODULE. 4. FIND THE DARK GREEN/WHITE WIRE IN PIN13.

Why does my GMC Sierra have a bad fuel pump?

If you get P0420 or P0430 trouble codes with a scanner, it very well may be the catalytic converter causing these symptoms. One of the best indicators of a clogged fuel pump is going to be that the your Sierra is difficult to start. This because there’s not enough fuel pressure to properly atomize the fuel as it enters the combustion chamber.

What causes a GMC 2500 diesel to stop running?

My GMC 2500 6.6L Duramax Diesel stopped running and will not start. Turns over but sounds like it gets no fuel. Has happened in past and dealer fixed short in wire. That time it would blow fuse but not this time. Submitted: 10 years ago. Category: GM Experience: GM Grand Master Technician 2007. 14 years experience. Hello, I’m Cam.

Can a 6.6L Duramax Diesel stop running?

My GMC 2500 6.6L Duramax Diesel stopped running and will not start. Turns over but sounds like it gets no fuel. Has My GMC 2500 6.6L Duramax Diesel stopped running and will not… My GMC 2500 6.6L Duramax… My GMC 2500 6.6L Duramax Diesel stopped running and will not start. Turns over but sounds like it gets no fuel.

What should I do if my 6.5L engine won’t start?

For instructions to check glow plugs visit our glow plug page. Even in warm weather, 6.5L engines need good glow plugs to start well. If in doubt, plug the block heater in for at least 6 hours – this is a partial cover-up for a few bad glow plugs or slightly slow cranking.

Why does my 6.5 Turbo Diesel not update?

6.5 Turbo Diesel Wont Start Update !! IT WORKS!! – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. An error occurred while retrieving sharing information.

What do you need to know about engine will not start?

All engines require three things to start and run; spark, fuel and compression. So, if any one of these is missing, your engine will not start. With a engine will not start issue, the possible causes are plenty; so it’s important to understand, what it takes to make a engine start and run.

Where to come when your 6.5L diesel will not start?

Where to come when your 6.5L Diesel will not start! “The PMD / FSD (Pump mounted driver) is by far the #1 cause of 6.5L no-starts (at least 90%). If your truck experienced random stalling like someone shut the key off before ultimately refusing to start again, the PMD is very likely the issue.

What does it mean when a truck won’t start?

It might be the computer, but it might be a sensor or a $10 relay. You won’t get diagnostics through the internet. I have a 1998 Chevy 2500 w/ a 5.7 that wouldn’t start even though the truck had good spark, fuel in the tank, and I could hear the pump spin up and pressurize when I turned the key.

What’s the fuel pressure on a 1996 Chevy c1500?

I stuck a fuel pressure gauge on the fuel rail port and was reading about 50 psi. Unfortunately, as high as that sounds, the injectors won’t even open until you are at about 60 psi.

What does it mean when a suburban won’t start?

Neighbor has issue with his suburban, he shut it off and then had a really hard start. Came home and now it won’t start. Has plenty of fuel to the fuel filter.

What’s the problem with my GMC Sierra truck?

When I turn the key it cranks for about 1/4 second then nothing . None of the gauges or power locks and windows work . The battery is fine . Last night while driving all the gauges quit working and the a/c compressor kicked off , but the truck still ran fine .

What kind of truck is a 2001 GMC Sierra?

I have a 2001 GMC Sierra 1500 SLT 5.3l that I bought used with only 80k miles on it. This truck starts then immediately stalls. Here is a list of things that I have replaced to no avail.

Why does my GM Truck start then die?

He was thinking fuel pump or fuel filter. He was about to take it to a dealer to be checked out when someone told him to turn the key to the on position and leave it there until the dash lights went out then start the truck. He did this and says the truck is running fine now. It reset the security system.

Can a Chevy Silverado 1500 start and run?

Although I tried to start it multiple times over a couple weeks I gave it one last try after I called the tow truck. It started right up and engine stayed running like it was supposed to. No more problems for almost a year until about a week ago. I did nothin to fix it a year ago.

What happens when a GM Truck starts then dies?

It starts then dies immediately. Parts replaced so far: fuel pump, fuel filter, spider injectors, fuel regulator, oil pressure switch, ignition switch, ignition module, passlock, fuel pump relay, spark plugs, wires, distributor cap, rotor and ignition coil. Crank sensor is getting power and 50 psi with key in the on position (not running).

What to do if your truck starts and runs then dies?

If the problem isn’t your body control module , fuel pump, injectors, nor ignition switch. Flip over engine compartment fuse block carefully and check for bright green coloring around wire port. If any color is present use an 8mm or 10mm socket and loosen the bolt holding the wire connectors on the bottom of fuse block.

Why is my Duramax diesel engine not working?

The trucks computer keeps track of how much fuel needs to be added or subtracted from each individual cylinder to make the engine run smoothly, and this value is called the balance rate. If one cylinder is contributing too much or not as much as the rest, the cause is usually a bad injector and the cure is a replacement.

Is the 2006 2500HD D / A running fine?

My 2006 2500HD D/A was running fine this past weekend. I parked it in my driveway on Saturday. I moved it to my side driveway on Sunday, took about 5 minutes of running. Shut it off and came back a few minutes later to restart it. It would start very easy, and run for about 2 seconds then die.

Why does my diesel truck not start up?

Read on another thread where the truck would not start,turned out to be cps,dealer said a couple bolts backed out and fell into the pan. First- these trucks do not have a fuel pump- the CP3 pulls fuel from the tank and then pressurized by the CP3 pump to the injectors.

What happens when a GMC Silverado shuts off?

Usually if it is bad the truck stays on but won’t start after it gets warmed up so that is probably out of the question. GM’s Passlock/VATS anti-theft system does not let it run for 5-10 seconds; it starts and immediately stalls.

What causes a Duramax injection pump to fail?

As a result (allegedly), the lack of lubrication in the fuel can cause a premature failure of the injection pump, to a point where it won’t allow the LML Duramax to run. You can be driving down the road and everything seems normal, and when the pump fails, the truck just shuts off.

Why does my car not start for 10 minutes?

… depending on the actual response.. sometimes just waiting 10 minutes would allow the car to start ok if it is the key cylinger wearing out then sometimes it just thinks that somebody is screwing around with the key cylinder and so it shuts down the starting circuit for 10 minutes to avoid a car theft

Why is my truck not running when I leave work?

Truck wouldn’t stay running when leaving work today. It starts then dies after a couple of seconds. Had it towed to a friends where we pulled out the Chilton book and began troubleshooting.

Why does my car not start when I start it?

There are three very basic components that the engine, in your GM vehicle, needs to start and they are: Air, Fuel and Spark. When your 4.3L, 5.0L or 5.7L GM vehicle cranks but does not start…it’s because one of these components is missing from the mix.

Why does my GMC Suburban no start flooding itself out?

If I unplug one of the injectors it starts up and idles and I am able to plug the injector back in and it will idle as normal. If I try and start it with both injectors plugged in, it just cranks and cranks without attempting to start.

How does a GMC Sierra 1500 fuel pump work?

The older model has steel lines coming off of the top of the pump to the frame rail and then connects to the frame steel lines with short hoses, you’ll need line wrenches and the ability to curse. The newer style has plastic tubes from the plastic pump casing and uses those quick connect fuel fittings and you’ll need the disconnect tool.

Is the GMC Sierra Z71 ext.in good condition?

Recently picked up an ’01 GMC Sierra SLE Z71 ext. cab with 130k on her. It’s in really good condition, no rust, very clean, the previous owner took good care of it. I am however having an issue when starting it.

What to do if your Chevy truck won’t start?

Fuel pump pumps. NO spark and NO fuel, turns fine. Rotor button turns, cap and rotor clean. Under the dash at the fuse panel there’s no voltage on the crank fuse. have the same problem? Hi, thanks for the donation.

Why does my GM car say no start no crank?

How to diagnose a no start no click on GM vehicle. If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that.

Where can I find help for my GMC?

Your GMC Owner Center Help & Support offers multiple topics of discussion to help you find the solution that you’re looking for. Help & Support | GMC Owner Center Your GMC Owner Center Help & Support offers multiple topics of discussion to help you find the solution that you’re looking for.

What does no crank no start car mean?

Mechanics refer to this as a no crank no start condition. Of course, the number one reason for an engine not the crank on any car would be a problem with the battery. Since classic car owners are familiar with how to treat a battery during long-term storage we’ll just touch on this briefly and then move on.

What should I do if my GMC Sierra won’t start?

GM Mechanic: FIXITMAN, Master Technician replied 12 years ago Okay. You need to first see if there is power going to the relay from the vehicles computer. If there is then the relay is the problem. If there is not then there is a problem in the circuit. Start by checking to see if the vehicle will start if you put it in nuetral.

Why does my Chevy Silverado 1500 not start?

Hi! My question is in reference to my 99 Chevy Silverado 1500. It cranks, but won’t start. I checked the obvious (out of gas, etc.) and changed the fuel pump/filter. It still won’t start. Cranks and will 1/2 catch for a second, but then nothing.

What to do if your car won’t start after running out of gas?

Priming the fuel pump will remove any air that may have gotten into the lines as a result of the vehicle running out of fuel. If priming the fuel pump does not start the vehicle, I would recommend having a fuel system inspection performed by a qualified professional, such as one from YourMechanic.

Why does my Car start after I fill up the gas tank?

When I fill the gas tank up, the car has trouble starting. It happened several times already. I would then try for a while until I start it up again. After that, the car would run fine until I fill the gas tank up the following time. I went to a shop for this but they couldn’t fix it. Do you have any idea why this happens? Thank you.

Why does my GMC Suburban not start up?

It shoued DTC 15 open circuit in coolant temp sensor, 22 something about the throttle position sensor and 54 which is fuel pump circuit low voltage. BTW, I found out the truck will start if I keep the gas pedal to the floor when cranking, however the engine just dies as soon as I let off the pedal.

What is fuel pressure on GMC Suburban 5.7?

Fuel pressure shows approximately 14 psi at the filter when the pump is running. As soon as the relay kicks the pump off the pressure drops to zero quick. I think this is normal as some TBI systems have a built in release.

What causes an engine to start but not run?

An engine will start but not run when the fuel runs out . If the fuel pressure is not strong enough the car will stall out . Was this answer helpful? sailer342 , Stalling issues bad sensors TPS, MAP, MAF, IAC, O2, failing knock senor, faulty injectors, dirty throttle body, EGR valve, vacuum leak, failing fuel pump, etc.etc..

When does a 99 6-0l engine start and die?

It will start right up, then dies after going up to about 1000 RPM for 2 seconds. It will start everytime then die. I’ve replaced the fuel pump, fuel filter, fuel regulator. I’ve got another 99 6.0L that i’ve swapped the MAF, MAP, Idle Air, Throttle Position sensor, both computers, all relays, nothing changes the behavior.

Can a Silverado Sierra GMC start then dies?

I’ve got another 99 6.0L that i’ve swapped the MAF, MAP, Idle Air, Throttle Position sensor, both computers, all relays, nothing changes the behavior. I’ve checked all the fuses i can find that would be releated to engine function, on both fues panels.

What to do if your GMC Sierra won’t start?

Attempt to start the engine. If it doesn’t start then release the key back to the on position. Watch the security light. After 10 to 15 minutes the security light should turn off. Turn the ignition off and wait 5 seconds. Repeat steps 1 through 4 two more times for a total of 3 cycles (30 minutes).

What makes an engine not start or run?

All engines require three things to start and run: spark, fuel and compression. If any one of these is missing, your engine will not start. The fuel pump is running and delivering normal pressure to the engine

Why is my GM fuel pump not working?

Symptoms were intermittent stalling while driving and failure to start when the engine was warm. The fuel pump and PMD was replaced with a GM factory replacement purchased from a GM dealer. One week before the (one year) warranty on the replacement pump/pmd expired, the new pump began showing the same symptoms.

What does it mean when a Chevy truck won’t start?

It has spark as evidenced by putting an old spark plug into a spark plug wire and grounding the plug After spraying a small amount of starting fluid into the air intake tube, the engine starts for just a moment, then dies Three or four years ago the truck had the Reduced Engine Power warning problem.

Why is my GMC Savana engine not starting?

Symptoms were intermittent stalling while driving and failure to start when the engine was warm. The fuel pump and PMD was replaced with a GM factory replacement purchased from a GM dealer.

Why does my 5.3L V8 wont start?

5.3L WAS RUNNING FINE WENT OUT TO CRANK STARTED MISSING AND DIED PO300 CODE I CHECKED FUEL PRESSUER ITS AT 60 PSI INJECTORS ARE PULSING NO OTHER CODES COULD IT BE CAM SENSOR? Start simple first, I think HF has a inline spark checker you could use to verify the coil packs are working fine I doubt that the o2 sensor would cause this.

Why does my GMC Sierra engine not start?

It seems this can also be caused by faulty APP (Accelerator Pedal Position) sensor. First I would check the INJ1 and INJ2 fuses in the under the hood fuse box.

I have a 2001 GMC Sierra 1500 SLT 5.3l that I bought used with only 80k miles on it. This truck starts then immediately stalls. Here is a list of things that I have replaced to no avail.

Can a Chevy C / K 1500 engine not start?

Chevrolet C/K 1500 Questions – truck will not start, engine turns, but does not fire at all. – CarGurus truck will not start, engine turns, but does not fire at all. other computer-related things that could be interfering?

Why does my Chevy Silverado not turn over?

Have a 99 Chevrolet 4×4 Silverado with 5.0 it was hot wired by previous owner. It did crank but replaced the steering wheel column with new wires and now it will turn over but won’t start. The fuel pump is connected directly to the battery.

What causes a GMC truck to turn over but not start?

If the engine starts up normally after doing that, it means that fuel pressure is bleeding off and the fuel pump needs to prime the lines before it can start. It can bleed off from one of two places. 1. Fuel pressure regulator has an internal leak, and fuel is bleeding off back to the tank though the return line. 2.

Why does my GMC Silverado have no crank?

This is a fix for a known electrical issue with the 2003-2007 C/K series GM Trucks where a bad ground causes multiple issues. Such as no start, no crank, intermittent no gauges, and sometimes the theft light would stay on, and the parking lights would stay on.

What to do if your Chevy Silverado won’t start?

Simple fix by checking the ground in the harness right behind the passenger side cylinder head. Trace the break and wire it to a new location for a ground such as the front of the cylinder head as I did. Loading…

When does a Silverado 2500HD won’t start?

Ran like a champ from June to November.. The minute the cold rainy weather came, have now had 5 times the truck completely dead, no start, no click, no fuel pump, Nothing. Couple of times, turn the key, put the truck in drive, back in to park, turn the key off, turn the key back on, truck starts up.

Is there a problem with my Chevy Silverado?

Will turn key and it is like no power from battery to starter, but have lights, radio, etc. Turn key again or sometimes multiple times, to no avail. Then, turn it one more time and it starts. Then the next 15 starts, no problem. Sometimes hot engine, sometimes cold. UPDATE: 2-6-14; I sold the truck to my father. He changed the starter.

How do you reset the ECM on a Chevy truck?

Returning the ECM to its factory state may be necessary to troubleshoot or resolve a number of problems. Remove the nut from the negative battery cable using a socket set or wrench. Slide the cable off of the battery and set it aside. Turn the headlight switch to the “On” position to drain the ECM of any remaining power.

Why does my GMC diesel engine not work?

American diesel fuel is thinner than its European counterpart, allowing for air pockets that cause the metal to rub against metal and create shavings. “The pump secretly deposits metal shavings and debris throughout the fuel injection system and the engine until it suddenly and catastrophically fails without warning,” the lawsuit alleges.

Is the GMC Duramax compatible with diesel fuel?

The Detroit News reports that GM is now facing a class-action suit alleging its 6.6-liter Duramax engine found in 2011-2016 Chevrolet and GMC models is not compatible with US diesel fuel.

Why are GM diesel engines a ticking time bomb?

GM promised consumers the continued reliability of their diesel engines, but with increased fuel efficiency and power at greater fuel efficiency. However, this came with a hidden and catastrophic cost that was secretly passed on to consumers,” the suit claimed while also referring to the engines as a “ticking time bomb.”

What happens when you start the car with starting fluid?

When starting fluid is used, the car will start and then run fine. Once you shut it off then try to start it, same thing. The fuel pump turns on when key is in on position. Holding pedal down to try and clear flood does nothing. Car just cranks and cranks but doesn’t start until starting fluid is used.

What kind of engine won’t start unless you spray starter fluid?

Cars A-Z Engine will crank but won’t start unless you spray starter fluid in it Maintenance/Repairs dodge, ram1500 Ramprobs October 11, 2016, 7:27pm #1 Okay so I have a 2004 Dodge Ram Hemi, the truck was running fine all this weekend and was fine this morning.

How do you start a GM fuel pump?

Open the throttle plate, manually, and spray starting fluid down the bore. When you have sprayed a good squirt of starting fluid, quickly reconnect the air duct to the throttle body (you don’t have to tighten the fastener).

How does the starter work on a GMC Sierra?

The starter in your GMC Sierra is dependent on three pieces of equipment. First, the ignition switch sends electrical current from the battery to the starter solenoid. The solenoid then forces the gear in the starter housing to engage the engine. When the starter motor turns on and spins the gear, the engine roars to life.

Are there any problems with the GMC Sierra 1500?

Problems with the Transmission. Aside from the engine, it’s vital that your powertrain is operating correctly for you to get down the road. When the components of a powertrain begin to fail, drivers can experience sounds, rough shifting and an unpleasant ride. Owners of the 2018 GMC Sierra 1500 find that the powertrain gives continuous problems.

What are the most common GMC truck problems?

One of the most common 2007-2013 GMC and Chevy truck problems owners experience is excessive oil consumption. This problem led vehicle buyers to launch a class-action lawsuit against GM, which alleged 2010-2013 vehicles with Generation IV 5.3 Liter V8 Vortec 5300 engines were defective.

Why is my Pontiac G6 engine not starting?

There are a lot of issues that can cause your G6 to crank, but not start. The engine needs air, fuel, and a spark in order to run. It is highly likely that if the engine is cranking, but not starting that it has thrown an OBDII code. It is definitely worth it to use an OBDII scanner to check and see if the engine has thrown any trouble codes.

Why does my car turn over but won’t start?

If when you turn the key the engine turns over normally but will not start, there can be any number of reasons for this problem. Some basic checks will need to be done to diagnose this problem. 1. Do you have fuel pressure.

What causes a car to crank but not start?

One of the biggest issues that causes a vehicle to crank but not start is ignition issues. When there is no spark, the engine will not start. You’ll probably have a misfire related code such as P0300, P0301, etc….. Ignition issues can be caused by many things, including bad spark plugs, bad coil packs, bad plug wires, computer issues, and more.

Why is my Chevelle 350 hard to start?

Fuel pump check valve doesn’t maintain pressure in the fuel rail so it boils and then you have to crank excessively to get rid of the vapor before it will start. Bought a 1972 Chevelle 350 a couple years ago. Every time I drove it it wouldn’t restart easily or sometimes not at all unless I waited a while.

Why does my car engine not want to start?

If the engine still doesn’t seem like it wants to start, probably fuel is getting into the cylinders and your problems lies somewhere else. However, if the engine runs momentarily and dies, then the problem is that fuel is not getting to the cylinders. Check for a clogged fuel filter, or a bad fuel pressure regulator.

Why does my Car start but won’t stay running?

If it’s cold outside or the engine is cold, the sensors are not sensing the low temperature, therefore the engine is not maintaining the appropriate air-to-fuel ratio to keep it running. A faulty electric fuel pump is also a problem limited to cars with a fuel injection system.

What causes a car to start at the wrong time?

Spark plug wires are a source of electromagnetic interference (EMF), but this is usually only a problem on some aftermarket setups when this interference isn’t taken into account. A timing belt or chain that has skipped a tooth will throw off the cam timing, causing the intake and/or exhaust valves to open at the wrong time.

What to do if your Grand Am won’t start?

When your Grand Am turns over but won’t start it maybe your anti-theft security system. When the security light blinks, the car won’t start. You must do a simple reset. The procedure in this video is what worked for us. Use of the free information in this video is at your own risk.

What causes a car to start but not keep running?

The engine requires the right amount of air and fuel to mix together for ignition. If there is a fuel leak somewhere, then the correct amount of fuel may not make it to the combustion chamber. This might be enough to allow the engine to start, but not keep running.

Why does my truck engine not start when I replace the ECM?

NOTE: A new ECM comes with an unprogrammed Personality Module in it. If the ECM has been replaced, the ECM WILL NOT COMMUNICATE and the ENGINE WILL NOT START until the integral Personality Module has had software flashed into it. 4.

Why does my 1988 Chevy Silverado not start?

I’ve got a 1988 K1500 with the 350 FI. It won’t start, turns over, but won’t start sounds like fuel problem. Fuel pump has been changed, fuel filter, Fuel pump relay, Fuel pump fuse, ignition coil, all have been changed or checked. Any ideas. It is getting power, just seems to not be getting any fuel. The possibilities are endless.

What are the problems with a GM Truck wiring system?

Some wiring system issues are more complex, however: open circuits, short circuits, erosion, repeated blowing fuses, or hot smells from wires or melting plastic. These are obviously serious and can put your truck out of commission, possibly for good.

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