Skip the auto shop - Our mechanics make house calls

Q: Won't start

asked by on

My car will crank and crank but will not turn over I replaced spark plugs but was wondering if the coil pack would cause it to crank but not fire. I'm using the car as a demolition derby car as well is there anyway to wire the ignition to avoid using a key
My car has an automatic transmission.

A: You first need to check and see if the engi...

You first need to check and see if the engine has lost fuel pressure or spark. If you lost fuel pressure then you need to locate the fuel inertia switch in trunk on the trunk hinge bracket. The switch will trip every time you bump the car. If you lost spark then you may have a bad crankshaft sensor. Have the ECM scanned and fuel pressure tested. You cannot bypass the ignition without activating the theft system.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: Car turning over, but it will not start.

You may need to have the key re-flashed to the car's computer. It sounds like every time you leave the car it has a problem re-associating itself with the car. I would recommend taking it back to the Chevy dealer...

Q: Forward surge while holding brake securely

Hey there. This may be related to a dirty or faulty idle air control valve, which is what monitors the air intake as it is mixed with fuel prior to being injected into the motor. As this valve reads the...

Q: Cranks but won't start

Hello there, thank you for asking about your 2004 Chevrolet Impala. Your car has a leak which has to be pinpointed and repaired. If by chance the leak is in the head gasket, the head gasket will have to be...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.