Shut off while driving, engine cranks but does not start

Tiny
6MORE12
  • MEMBER
  • 1987 CHEVROLET 1500
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
Stall while driving. Replaced fuel pump and filter. Now it won't start at all. Just turns over.
Sunday, December 26th, 2021 AT 5:54 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,269 POSTS
Hi,

Based on the symptoms, it sounds like either we lost fuel or ignition spark to the engine. What I will recommend first is this. See if the engine starts for a couple of seconds using starting fluid. If it starts and then stalls, we know it's a fuel-related issue. If there is no change, then I need you to check for spark to the plugs. Here is a link that explains how that is done:

https://www.2carpros.com/articles/how-to-test-an-ignition-system

Also, I strongly recommend checking to see if there are diagnostic trouble codes stored in the computer. This vehicle has an OBD1 system. It doesn't require a scan tool to retrieve codes. All you will need is a short jumper wire or even a paper clip.

Here is a link that explains how to check for codes:

https://www.2carpros.com/articles/buick-cadillac-chevy-gmc-oldsmobile-pontiac-gm-1983-1995-obd1-code-definitions-and-retrieval-method

This is where I suggest starting. If we do these things, it will narrow down the circuit the issue is coming from.

One last link. Here is one that explains the most common causes of a crank no start condition:

https://www.2carpros.com/articles/car-cranks-but-wont-start

Let me know what you find or if you have other questions.

Take care,

Joe
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Sunday, December 26th, 2021 AT 10:16 PM

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