Why does my Jeep Wrangler not start unless on the gas?

Why does my Jeep Wrangler not start unless on the gas?

I already tried letting it re-learn it’s idle since the computer was reset. But she’ll crank and crank but won’t start unless I have the throttle wide open. Once she starts, she won’t idle on her own..I have to keep my foot on the gas. But this doesn’t happen every time, only when cold.

Why does my Jeep Wrangler idle all the time?

One more part that can cause a bad idle is the Throttle Position Sensor. My TPS went bad and my idle and acceleration became unbelievably erratic. Try cycling the TPS via the throttle linkage 40-50 times (without the engine running) to see if anything changes.

Why does my Jeep stall when I start the engine?

If it starts, the fuel pump is the problem. If not, the engine should be checked for spark. It could be a sensor or computer-related problem. To be absolutely sure, raise and support the back of the Jeep on jack stands, unless the height allows you to crawl under the back without raising it.

What causes a car to run with a vacuum leak?

Normally a car will still run with minor vacuum leaks, but if the leak is severe, the fuel injectors may not be able to keep up with all the extra unmetered air in the system for a proper burn in the combustion chamber.

What to do if your Jeep Won’t Keep Running?

If it still acts the same hold the gas pedal to the floor, once it starts then start to back the gas pedal off until it will finally keep running on its own. Dave Ask Your Own Jeep Question

I already tried letting it re-learn it’s idle since the computer was reset. But she’ll crank and crank but won’t start unless I have the throttle wide open. Once she starts, she won’t idle on her own..I have to keep my foot on the gas. But this doesn’t happen every time, only when cold.

Why is the vacuum switch on my Jeep Wrangler not working?

Inspect the ball bearing plunger at the bottom of the switch. This gets jammed inside the switch. Try and give it a few bangs to release the jammed ball-bearing inside the switch. If that is unsuccessful, you can purchase a new vacuum switch here. Screw in the new switch and reconnected the vacuum harness to the top of it.

Why does my Jeep Liberty Limited not start?

My 2002 jeep liberty limited will not start. it has sat in the garage for a month or so without being started. I tried to start it and the battery was dead.

Why does my Jeep Cherokee not turn on?

Vehicle does not turn over or even click like a low battery but all the lights and everything come on. If I use the remote start, car starts just fine or shift down to neutral and then try to start. I did just have my gear shifter replaced about two months ago under warranty so I wonder if something was tightened all the way.

How to troubleshoot a no start Jeep 4.0L?

More specifically, this means that troubleshooting the problem requires that you check and confirm that: All 6 cylinders are getting spark (with a spark tester). That the fuel pump is creating enough fuel pressure. And if necessary, check the engine’s health with a compression test. I’ll go into more specific details in the following headings: 1.)

When did my Jeep Cherokee not start up?

Approx. 4:45pm when the temperature was 117, I was parked, with the engine off, waiting to pick up my dog at the vet. I had just driven 15 miles to this location = 25 minutes. Waited over 20 minutes for dog to be brought to car.

What causes a Jeep Grand Cherokee to not start?

Jeep Grand Cherokee Won’t Start Diagnosis. 1 1. Battery Cables. While the battery cables are not necessarily the most likely issue to cause your Grand Cherokee to not start, they are some of the 2 2. Battery Charge. 3 3. Starter. 4 2. Ignition Issues. 5 3. Engine Timing.

If it starts, the fuel pump is the problem. If not, the engine should be checked for spark. It could be a sensor or computer-related problem. To be absolutely sure, raise and support the back of the Jeep on jack stands, unless the height allows you to crawl under the back without raising it.

How to test fuel pump in Jeep Cherokee?

Use a circuit tester and test the harness side for power as your helper turns the key on and off. Remember that there will be power for only 2 seconds, so have your helper cycle the key on and off as you check the terminals, allowing 5 seconds between cycling for the computer to reset.

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.

Can a car idle on its own when cold?

Once she starts, she won’t idle on her own..I have to keep my foot on the gas. But this doesn’t happen every time, only when cold. If I can get her to start, run, and drive, once warmed up it won’t stall anymore.

What to do if your car wont start after refueling?

This is only a way to get it started after refueling until you get the purge valve replaced to fix the problem. If the problem persists, have a mechanic, such as one from YourMechanic, diagnose your car’s hard starting problem to verify what needs to be done.

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.

What to do if your Jeep Grand Cherokee won’t start?

When a starter goes bad, they will usually not give you much warning first. Also, if you are stuck somewhere and are trying to start your Grand Cherokee, the old beat the starter with a hammer trick is not a wives tale. It really can get that one last start out of it.

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.

When a starter goes bad, they will usually not give you much warning first. Also, if you are stuck somewhere and are trying to start your Grand Cherokee, the old beat the starter with a hammer trick is not a wives tale. It really can get that one last start out of it.

Can a Jeep Cherokee stall at high speeds?

There are countless instances of Jeep Cherokees stalling while traveling at low speeds or high speeds, driving straight or losing power in the midst of a turn. While certainly frustrating, these stalls can also have serious consequences.

What to do if your Jeep Grand Cherokee starts but won’t stay?

18 people found this helpful. If it crank,s and then shut,s off,you have fire,but loosing fuel,tell him to check the fuel filter,and fuel pump,other word,to say if he is old school,is tell him to check for a fuel problem, 25 people found this helpful.

How do you start a Jeep Grand Cherokee?

Use the gas pedal to help the engine start. Immediately go for a 10 minute drive.

What are the symptoms of a car not staying running?

Some of the symptoms are: car dies right away, car cut off after starting, car won’t stay running in the cold, and car won’t stay running. Below is 5 ways to fix the problem. Number one. Idle air control. The idle air control is responsible for maintaining idle.

What should I do if my fuel pump is not working?

If not, there is a bad wire under the fuse block to the battery; it should have constant power at one terminal. Take off the air cleaner and hold the throttle plate open with your hand. Spray some carburetor cleaner into the throttle body. Try to start the car for 2 seconds. If it starts, the fuel pump is the problem.

Why does my Jeep Liberty not start up?

Found the problem, a mouse had chewed through a wire located near the ECU. The ECU is located on the fender by the right side hood hinge. Spliced the wire and wallah it starts and runs normally!!!! Jeep will start and run fine, then once in a while when turning off it won’t strt. Engine cranks, but won’t actually start.

What happens when a Liberty starter goes bad?

When a starter goes bad, they will usually not give you much warning first. Also, if you are stuck somewhere and are trying to start your Liberty, the old beat the starter with a hammer trick is not a wives tale. It really can get that one last start out of it. There are a lot of issues that can cause your Liberty to crank, but not start.

If it still acts the same hold the gas pedal to the floor, once it starts then start to back the gas pedal off until it will finally keep running on its own. Dave Ask Your Own Jeep Question

My 2002 jeep liberty limited will not start. it has sat in the garage for a month or so without being started. I tried to start it and the battery was dead.

Why does my Jeep not start when I take my foot off?

Ok, that means your battery is weak. When you have a weak battery it allows the computers to loose there memory it also can inhibit the ignition system from creating a good enough voltage spike to cause the spark plugs to fire. You need to get a new battery then try to start it.

Ok, that means your battery is weak. When you have a weak battery it allows the computers to loose there memory it also can inhibit the ignition system from creating a good enough voltage spike to cause the spark plugs to fire. You need to get a new battery then try to start it.

Posted In Q&A