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.

A: Your engine needs spark, air, and fuel to s...

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: It got really cold the next morning. I went to start my car and my belt will not turn. I drove it the day before the cold no problem.

Hi there. There could be a few things that could be going on. Either the battery was low on a charge or low on water and froze up causing the vehicle not to start up, or when the oil change...

Q: No power at fuel pump fuse

Hi there, thanks for writing in about your 2007 Dodge Nitro. It is probably a faulty fuel pump relay which is located in the TIPM (Totally Integrated Power Module). It is not removable as it is soldered in place. You...

Q: Hot air coming out of AC

Hi. What you might be feeling run is the blower motor. The blower is a different system from the air conditioning. The air conditioning is what actually blows the cold air in your vehicle. The most common cause of an...

Related articles

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...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.