Engine stalls at idle

Tiny
PHAZEN0001
  • MEMBER
  • 2004 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 82,000 MILES
I pulled out of my driveway this morning, and my truck stalled. At this moment my check engine, ABS, brake and 4 wheel drive lights all came on. My truck wont start. I tested it with an OBD II tester and got no errors. The truck cranks but will not start. Has my PCM gone bad or is there another answer? Does anyone have any suggestions. I lost my main source of transportation, it won't start.
Monday, December 1st, 2008 AT 7:31 PM

1 Reply

Tiny
4DRTOM
  • MECHANIC
  • 467 POSTS
Good morning,

If your car stalled and your not having any codes there is a very good chance that your fuel pump or fuel pump relay failed. Most of the other no start failures in a stall out condition will set a code. When you turn the key into the on position and listen carefully you should hear a humming sound for a few seconds. Listen for this and if you don't hear anything it's pointing to the fuel pump not turning on.

Here are a couple articles for your review that will help you get this handled:

https://www.2carpros.com/articles/car-cranks-but-wont-start
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

Here is an article for checking for spark as well:

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

Let us know if this helps out.

Tom
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Thursday, February 18th, 2021 AT 12:42 PM

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