Why is my Mazda CX7 not starting properly?

Then they installed a new high pressure fuel pump (I guess the CX7 has two fuel pumps). Finally, after 10 days it seemed like the problem was rectified. However one day later the problem reoccurred. They tell me it is the high pressure fuel pump again.

What to do when your Mazda remote stops working?

When it stops working, the first thing you want to do is fix it. Before you head off to buy a new remote, there are a few other things that you can do to try and get it to work again. Simultaneously hold the open and the lock button down for 60 seconds. This should reset the system. If it worked, the interior car lights will go on and off.

What should I do if my car wont start?

When the security light goes off, turn the ignition off, wait 20 seconds, and then start the engine. These are the most popular ways to solve the problem of anti theft system car wont start.

Why is there no auto lock on Mazda cars?

For some reason Mazda decided to design it without auto-lock based on gear position, and there is no easy fix within the car itself. The fact that the settings are still in the manual probably isn’t of any help, the manual is very similar for cars around the world.

Why does my Harley hard start when warm?

When the engine is warm it is tighter and requires more from the starter which in turn needs more amperage from the battery. If your hard start is slow cranking when warm I would have checked this first,then checked starter draw,then fuel and ignition.

Why is my 07 Street Glide so hard to start?

Discussion in ‘ Touring Models ‘ started by dwireman, Sep 4, 2009 . I am having a problem with my 07 Street Glide. On cold starts, the engine usually fires right up, but after reaching operating temperatures or when on the hot side, I occasionally have a hard time getting the bike to start.

Why does my bike start cold or hot?

On cold starts, the engine usually fires right up, but after reaching operating temperatures or when on the hot side, I occasionally have a hard time getting the bike to start. The dealer has already replaced the starter, because it sounded like a thrashing machine.

What causes a Mazda CX-9 to shake when idling?

Fuel Injectors Your Mazda CX-9’s fuel injection system atomizes the fuel into a fine mist. If a fuel injector is not operating properly, it will either let too much or too little fuel into the combustion chamber relative to the amount of air.

Can a Mazda CX 7 be shipped to the military?

PLUS, and here is the real kicker, Mazda will not ship to military overseas, nor will they honor warranty to military overseas (contrary to what the dealer says, they’ll say anything won’t they?). Wouldn’t have bought a Mazda if I had known.

What to do when your engine has no spark?

Insert a spark plug tester into the plug boot and ground it on a piece of metal on the engine. Finally, Have someone crank the engine and watch for spark. Remove one of the coils from the spark plug. Use an extra spark plug. A spark plug tester. Or even a screwdriver in the end of the coil.

What to do if your ignition coil is not working?

Older ignition systems used breaker points to interrupt the circuit, while more modern systems “sense” the need for spark by means of a hall-effect switch or crankshaft position sensor. The ignition module uses the information to time spark generation. Test these components if the energized coil fails to function.

Why is there no spark in my ignition?

An ignition module requires some type of external input in order to activate. If your vehicle stalls unexpectedly during operation and will not start again, it is likely because of loose or corroded electrical connections in the ignition module. In this case, check the switch, clean oxidized terminals, and replace broken wires if necessary.

What causes a Mazda RX-8 rotary engine to misfire?

Cracks or corrosion spots on the coils are known to cause misfiring in the rotary engine of Mazda RX-8. Whenever you have a misfire in the Mazda RX-8, coils, spark plugs and spark plug wires are recommended to be replaced first. – The cause of misfire should be fairly easy to pinpoint if the problem is present all the time. A quick look at the

What is the error code for cylinder 4 misfire?

Error Code P0304: Cylinder 4 Four Misfire Detected. Error Code P0304 is described as Cylinder #4 Misfire Directed, which means the vehicle’s computer has detected an engine misfire, specifically with the fourth cylinder.

What causes an engine to misfire after a chain change?

Sometimes, the engine could misfire if during the timing belt or chain replacement, the timing hasn’t been set properly. If the problem started after replacing a timing belt or chain, checking the timing is the first thing to do.

Can a car misfire if all cylinders are firing?

If the engine is running perfect and all of the cylinders are “firing” you could say there is no misfire. Once the air fuel ratio inside the combustion chamber in any of the cylinders gets interrupted, the engine will misfire. One cylinder can misfire or more than one cylinder can Misfire depending on the situation. Here is a hint.

What causes a Chevy Sonic engine to misfire?

However, usually if there is an EGR system failure, the computer will flag a P0401 or even a P0402 Excessive EGR flow code. In rare cases, plugged exhaust (catalytic converter or even plugged mufflers) cause the engine to misfire as well and does not always trigger a Diagnostic trouble code Catalyst Efficiency code P0420.

What causes a Jeep Wrangler engine to misfire?

In addition, low compression (bad cylinder, piston rings, sticky or leaky valves or even valves out of adjustment) will affect the amount of air coming into the cylinder which will cause a cylinder to misfire and could set a P0300. A simple Compression Tester will be able to verify if a certain cylinder is low on Compression.

What causes spark to come out of ignition coil?

You might can see arching coming out of the ignition coil/coils or even the ignition wires when the engine is running which can cause a P0300 through P0308 (depending on the engine size). However sometimes they go bad and prevent the spark from reaching the cylinder and there will be no visible signs of arching.

Why is my car hard to start cold or runs poorly?

Those are your main causes of cold start enrichment failure. I suppose a fuel pump could be weak, and not be able to deliver enough fuel. Or a fuel pressure regulator could be going out. Generally speaking, any other cause of poor running/a hard start cold would also cause problems while the engine was warm.

Why is my Mazda 3 difficult to start?

The engine may be difficult to start in extremely cold weather (-20F) after a short trip. This can be caused by sticking main relay points. The average cost for a Mazda 3 No Start Diagnosis is between $88 -$111.

What should coolant temp be when starting car?

Watch the engine coolant temperature sensor from start up, all the way through to when the car has reached normal running temperature. You are looking for the sensor to be way out to lunch. If it reads 100 degrees Fahrenheit (37 C) when it is more like 30 degrees Fahrenheit (-1 C), there is your problem.

Why is my CX-7 showing signs of surging?

My CX-7 with 75K is showing similar signs of surging. This has occurred for some time when in the manual mode and in 1st gear, extreme surging. Now this is occurring in all gears under acceleration. Plugs have been replaced, premium fuel and Chevron Techron as fuel injection cleaner is standard procedure. Tranny fluid fresh as well.

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

Clean with electronic cleaner sold at any auto parts store and spray generously until copper/silver color indicates clean and spray clean the fuse block connectors and inspect wire connectors wire port for black , melting or charring. If any present replace the damaged terminals.

What to do if your car starts and then dies?

If not, test the MAF sensor to see if it’s gone bad and replace if necessary. If you use an aftermarket air intake, make sure you don’t apply too much oil on the air filter. Excessive oil may blow past the filter and gum up the MAF sensor.

What happens when you change the headlight on a Mazda CX-7?

When you change the headlight on your CX-7, it is important to not touch the glass part of the bulb with your fingers because the oil from your fingertips will cause that part of the bulb to burn hotter, which significantly shortens the life of the bulb.

When to change AC low side high side low pressure?

Similarly, the fan also has to spin when you turn the system on. When all of these components appear to work fine and the AC low side high, high side low problem persists, you may need to change the compressor to fix the unit. However, it is always better to consult a mechanic before deciding to replace any part.

Are there any recalls on the Mazda CX 7?

In February 2009, Mazda USA issued service bulletin 01-007/09 for 2007-09 model year Mazda CX-7 vehicles because of variable idle speed and, in some rare cases, stalling after the vehicle had stopped. The service bulletin attributed this behaviour to the accumulation of carbon deposits inside the throttle body which caused air flow to decrease.

Why does my Mazda3 CX-7 make a rattling noise?

When the engine was warmed up, the Mazda3 CX-7 may exhibit a knocking/rattling noise from the front timing cover and/or valve (cylinder head) cover at engine speeds below 2000 rpm – this noise was caused by excessive stretching of the timing chain. To fix, the timing chain needed to be replaced.

When the security light goes off, turn the ignition off, wait 20 seconds, and then start the engine. These are the most popular ways to solve the problem of anti theft system car wont start.

Why does my Car start in the Cold?

· The Powertrain Control Module would detect the momentary loss of signal from the crank sensor and would kill the fuel injection, which was causing the jerking. Does anyone have a problem with starting their vehicle in the cold?

What to do if your Mazda3 won’t start?

One way to do this is to start your car and let the engine run for a while to recharge the battery. One thing to know: if the battery is over 4-5 years old, it may be completely dead, so it will not recharge and the car will not restart after you turn it off. In this case, you may need a new battery.

Why does my car not start if the battery is OK?

If the battery is OK, but the starter still won’t start, there could be a number of possible reasons. Here are a few: The ignition switch could be faulty – this is a common problem.

Is the Mazda CX 7 a good car?

The 2007 Mazda CX 7 is the first generation of the Mazda CX 7, and it was discontinued in 2012 in preparation for the Mazda CX 5. According to cars.usnews.com, The five-passenger vehicle attracted several owners for the great car handling, very strong engine, and great crash test scores.

Why is my Mazda CX 3 engine ticking?

Engine ticking is a very common problem with the 2007 Mazda CX 3, as reported by many 90,000 miles vehicle owners. Their engine was ticking because of a problem with the VVT actuator, and the average repair cost was about $850. Vehicles internal computer uses the check engine light to indicate an internal vehicle’s problem.

How much does it cost to repair a Mazda CX 7?

According to repairpal.com, the Mazda Cx 7 received a reliability score of 3.5 out of 5. If you own a 2007 Mazda CX 7, expect to pay about $470 annually on repair costs. Experts suggest that this particular vehicle has a higher potential for significant mechanical issues than normal, which raises the expected annual repair cost.

What to do if your Mazda 6 won’t start?

2009 Mazda 6 won’t start. Green key light comes on (registers the key is present). Everything lights up and the battery is fine. Starter won’t engage. … read more

Is there a reset code for my Mazda CX-9?

Reset codes after changing battery on Mazda CX-9. Reset codes after changing battery on Mazda CX-9. – Answered by a verified Mazda Mechanic We use cookies to give you the best possible experience on our website.

Is there a way to reset a Mazda code?

Otherwise the only way to reset codes is to use a scan tool with that capability. Ask Your Own Mazda Question Customerreply replied 5 years ago Thanks, ***** ***** have an additional question.

How do you reset the power window on a Mazda?

Here’s how to do the power window reset procedure. 1) Turn the ignition switch to the ON position. 2. Press the switch of each window and fully open the door glass. 3. Pull the switch of each window to the manual-up position to fully close the window and keep holding the switch up at the position for approx. 2 s.

Which is the only Mazda dealership in town?

They are the only Mazda dealership in town. If I want a rental while it is under repair I have to go to them. In any event, I believe they are going along with my lemon law claim and should be returning my money, unless the dealership is just jerking me around. This morning we found that our new CX-7 (08) wouldn’t start. It wouldn’t crank.

How big is the turbo on a Mazda CX 7?

My 2007 CX-7 has roughly 160k on it. It smokes badly when you try to accelerate quickly (floor it). In the first year I had it, the dealer did all of the maintenance since I had the insurance coverage for maintenance. They replaced the turbo, motor mounts, A/C (twice), an various other parts.

Why does my Mazda CX 7 won’t start?

While there are a variety of reasons your Mazda CX-7 won’t start, the most common 3 are a dead battery, an alternator problem, or failed starter. How is a no-start diagnosis fixed?

What kind of engine does a Mazda CX 7 have?

The 2007 Mazda CX 7 comes with a 2.3 L four-cylinder engine, associated with a six-speed automatic transmission, and provides up to 244 horsepower. The vehicle’s curb weight ranges from 3,710 to 3,929 lbs.

How do you jump start a Mazda 3?

– Connect one end of a cable to the positive terminal on the discharged battery (1). – Attach the other end to the positive terminal on the booster battery (2). – Connect one end of the other cable to the negative terminal of the booster battery (3).

Why does my car not start when I jump the solenoid?

If your car won’t start and the problem is not caused by a dead battery, then you might need to jump the starter solenoid to get your car moving again. The starter solenoid is responsible for sending an electrical current to the starter motor.

What should I do to jump start my Mazda CX-5?

First of all, don’t let any metal object make contact with either the positive or negative terminals. Also do not have any open flames or any embers at all anywhere near the battery. Lastly, if you have a frozen battery or one that is low on fluid, you should not try to jump start it. You can start by removing the battery cover.

How long does it take to jump start a car?

Drive the jump-started car for at least 20 minutes so its alternator can recharge the battery. Make sure you are somewhere safe before shutting off the engine because, depending on the battery’s condition or the health of the alternator, the car might need to be jump-started again.

Is it dangerous to jump start a Mazda 3?

Jump-starting is dangerous if done incorrectly. So follow the procedure carefully. If you technician do the work. carefully before using the battery or inspecting it. Always wear eye protection when working near the battery: Working without eye protection is dangerous. Battery fluid contains SULFURIC ACID

Can you jump start a car with a frozen battery?

Lastly, if you have a frozen battery or one that is low on fluid, you should not try to jump start it. You can start by removing the battery cover. When finding a proper car to jump start yours, you should make sure the battery is a 12V and make sure that its negative terminal is grounded.

How to fix a Mazda that stalls at stop?

Remove the air hose from the throttle body. Disconnect the throttle body connector. Remove the throttle body from the intake manifold, with the water hose connected. Clean the throttle body on the air hose side using a soft, clean shop cloth, sprayed with engine cleaner (Mazda recommends their P/N 000-77-A86).

Why does my Mazda 3 not start in neutral?

Sometimes a car does not start in “Parking” but starts in “Neutral” because of a problem with a safety switch in neutral. Are the battery cables tight and not corroded? Do you think there is enough fuel in the tank?

When does a Mazda CX7 Turbo go out?

The turbo of the engine in the Mazda CX7 may go out after prolonged use of the vehicle. The most common solution is to replace the entire turbo, coming in at just below $3,000 for the total fix. The repair timing for the turbo malfunctioning is around 87,000 miles, with owners stating that the severity of this problem is 9.1 out of 10.

What to do if your Mazda CX7 dies while driving?

Another sign of severe Mazda CX7 problems is the car dying while driving, proving to be a huge safety issue for the vehicle’s driver and passengers. The most common solution for this serious problem is to replace your vehicle’s plugs and timing belt at around 66,000 miles at an average price of $2,500. Car Dies While Driving Causes

Are there any problems with the Mazda CX-7?

The Mazda CX-7 definitely had its fair share of engine problems, and it all starts with the turbocharger. According to Consumer Reports, there is a long list of problems with the engine.

Why does my Mazda 3 crank but not start?

Not sure if this is relevant or not. After doing a routine oil change in my garage, the engine will crank (pulleys and belts rotate), but it does not start. I called AAA, they showed up and immediately hooked up a battery booster.

When does a Mazda CX-7 compressor go out?

That’s not the case on the 2007 CX-7. For many drivers, the compressor went out. While you might be thinking this happens at a high mileage rate after owners have had it for several years, you’d be mistaken. It happens at a very low mileage rate of 60,000 to 70,000 miles.

Why are there service fees on a Mazda CX 7?

Mazda agreed to replace two, but not the other two, because he ‘drives too many miles.’ Another reviewer reports that he was charged over $400 in service fees in spite of the fact that the dealership he took his car to did nothing to fix the problem.

Is there a warranty on a Mazda CX 7?

In 2011, Mazda began a “Special Service Program” that extended the warranty to 7 years/70,000 miles covering excessive timing chain noise — an early sign of timing chain failure. However coverage under the program requires perfect documentation of all required maintenance with other stipulations. Buyer beware.

Why is my Mazda CX-7 engine not working?

It’s not us. TL the contact owns a 2010 Mazda Cx-7. the contact stated that while her in-laws were driving, the vehicle stalled and shutoff. Upon inspection, it was discovered that oil leaked under the vehicle and a hole was present on the side of the engine. The cause of the failure was not determined.

Is there check engine light for intermittent stalling?

Many times, there will be no check engine light and no fault codes to give you a clue as to what might be causing the engine to stall. So the trick to diagnosing an intermittent stalling problem is to catch the vehicle when it’s acting up — and that rarely happens when you have the vehicle in your shop.

What causes a car to start and stall?

Check to make sure your spark plug wires or ignition coils are seated properly on each of the spark plugs. A detached or malfunctioning spark plug wire will cause misfires and often a stall as the engine struggles to stay running on fewer cylinders.

What causes a car to stall on a cold start?

It also manages the idle under changing engine loads, like when you kick on the air conditioning, turn on the headlights, or turn up the radio. When the idle air control valve malfunctions, you may experience a rough idle or the vehicle may stall entirely. This is especially true on cold starts.

Why does my Mazda not start when I Turn on the ignition?

If when you turn on the ignition, the “Security” light stays on or flashes, it means that your car’s security system does not recognize the key or that there is a problem with some parts of the security system itself. Sometimes the key just needs to be reprogrammed.

If the battery is OK, but the starter still won’t start, there could be a number of possible reasons. Here are a few: The ignition switch could be faulty – this is a common problem.

What to do when your Mazda CX-5 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 CX-5, 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.

What should I do if my crank sensor fails?

You will need to align the fifth tooth to the center of the sensor magnetic tip. Check with your Mazda dealer as these instructions may vary between different 2.0, 2.3, 2.5 Mazda engine sizes. If the crank sensor fails on your Mazda, your car will refuse to start or will start intermittently.

Where is the crankshaft position sensor on a Mazda?

It is held in place with several plastic clips, 8mm nut, or 10 mm nuts depending on the Mazda model. Locate the crankshaft position sensor. Unplug the electrical connector. Remove two 8mm bolts. Before you remove the old crankshaft position sensor, mark the old sensor’s exact position with a marker.

Why are there spark plugs in my Mazda 3?

Took out the spark plugs, then rotated the crankshaft pulley and I could see the camshaft rotate, so that meant to me the timing chain is still in one piece and at least partially functional. Next put a screwdriver into spark plug hole #1 and set the crankshaft pulley to its timing mark.

What to do when your car wont start?

Next put a screwdriver into spark plug hole #1 and set the crankshaft pulley to its timing mark. The screwdriver was at its highest point so I figured the timing is correct.

What are the symptoms of a Mazda transmission problem?

Common symptoms of Mazda transmission problems: 1 Harsh shifting 2 Transmission won’t engage. 3 Shifts are delayed 4 Engine revving at high RPM 5 Burning smell 6 Check engine light comes. 7 Mazda won’t move when in Drive or Reverse. 8 Stuck in limp mode 9 Won’t shift gears

Where is the fault code on a Mazda?

If the transmission fluid is correct, next read the fault codes stored in the Transmission Control Unit (TCU) via the diagnostic port under the dashboard with a Mazda OBD-II scanner.

Where to find check engine light code on Mazda?

When retrieving Mazda check engine light codes with an OBD II scan tool, proceed as follows: 1. Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. The connector may have a removable cover. 2. Turn the ignition on. 3.

What is the trouble code on a Mazda 3?

Follow scan tool manufacturer’s operating instructions to access the Diagnostic Trouble Codes (DTC’s). Remember, these are manufacturer specific codes only. Refer to our Generic OBD II code list for definitions on all other Mazda diagnostic trouble codes. Manufacturer Specific Codes P1000OBD II Monitor Testing Not Completed

Can a bad MAF sensor cause engine problems?

More frequent stops at the gas station You get diagnostic trouble codes pointing to the MAF sensor On some vehicle models, the MAF sensor also informs the computer about air intake temperature and engine load (to control some automatic transmission functions). So a bad MAF sensor on these cars can cause an even wider range of symptoms.

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