Question about 2003 Chevrolet Avalanche

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I have a2003 avalanche it will quit running going down the road or sitting at an idle . if it sits for while it will start back up with no check engine lights on ,about a have hour . fuel pump works but no spark

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Hi,
The best thing to do here is to have the ignition system checked over with a Consult II diagnostic tool. You could have problems with the following: 1. The Crank angle sensor. 2. The Cam angle sensor 3. The ignition module. 4. The ignition control module 5. The coils them selves, but this sounds like it is a signal problem to these not the actual coils themselves.
So get these areas checked and let me know if you need more information.
Thanks
Jason

Posted on Mar 21, 2011

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Posted on Jan 02, 2017

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