Skip the auto shop - Our mechanics make house calls

Q: Car cranks but won't start - 2001 Pontiac Firebird

asked by on

Pit a new alternator and new battery in. Now it's cranking and it does turn over but will not start. What could it be. It would not start with starting fluid either.

My car has 143000 miles.
My car has an automatic transmission.

Your engine needs spark, air, and fuel to start and run. Air is always present unless the intake is blocked off. The lack of fuel or spark will prevent it from starting. Since you are providing fuel by spraying starting fluid, the most likely cause is lack of spark. Possible causes are a bad crankshaft sensor, bad ignition module, or faulty PCM.

Have a certified technician, such as one from YourMechanic, determine why your vehicle will not start and suggest any necessary repairs.

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

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Traction control off & it make a little jump

The traction control (TC) service light signifies that diagnostic trouble codes have been set. Those trouble codes should be downloaded and evaluated in a TC diagnostic. Although the TC trouble codes would be immediately downloaded in a diagnostic, the mechanic's...

Q: I have no ignition, or dash lights when turning key. All relays and battery are fine. Dash lights work when headlights are on.

You may have a bad connection in the connectors to the body control module, instrument cluster, and ECM. Try to disconnect the battery and disconnect these modules. Afterwards, apply dielectric lube to the connectors and reconnect the battery and see...

Q: Catalytic converter lifespan on a '98 Firebird Can bad ignition switch crank the car

Yes, it can still be bad and crank the car. The ignition switch sends the power to all kinds of things and different parts of the switch. It could be sending power to the start-up but not to the ignition...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...