Why does the engine crank, but not start?

Tiny
ERICK107
  • MEMBER
  • 2002 CHEVROLET IMPALA
  • 3.8L
  • 6 CYL
  • AUTOMATIC
  • 150,000 MILES
My car won’t start, it just cranks when I turn the key.
Thursday, July 14th, 2022 AT 3:50 PM

3 Replies

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

If the engine is cranking over strong but not starting, it could be due to not having fuel or spark.
When you turn the key to the on position, can you hear your fuel pump kick on for a few seconds?
An inoperative fuel pump can be due to bad relay, faulty wiring or bad pump.

One way to check if it is a fuel delivery issue, is to spray starter fluid into the intake and try to start. If the engine starts for a few seconds, then you will know the issue is fuel.

If you are getting fuel, then you will need to check for spark to the plugs.

Take a look at this helpful guide:

https://www.2carpros.com/articles/car-not-running-advanced

Let me know what you find or if you have any questions.
Thank you.
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Thursday, July 14th, 2022 AT 8:59 PM
Tiny
ERICK107
  • MEMBER
  • 2 POSTS
I have got a new vent valve solenoid canister and a new battery that I put and it still does the same thing.
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Thursday, July 14th, 2022 AT 9:10 PM
Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
So, are you getting fuel to the engine?
Take a look at the guide that was provided on the last response. Let me know what you find.
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Thursday, July 14th, 2022 AT 9:33 PM

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