03 Silverado won’t start
5

Asked by Mandy Nov 13, 2020 at 01:10 AM about the 2003 Chevrolet Silverado 1500 RWD

Question type: Maintenance & Repair

It’s firing and getting fuel but will not crank.
Sometimes it backfires thru intake

2 Answers
158,765

James answered 4 years ago

Sounds like its jumped timing. To confirm this do a compression test. If all cylinders test very low or zero it's jumped timing. Hope that helps! Jim

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exCompaqr answered 4 years ago

Agreeing with Jim. Other than that, if someone has switched the plug wires around (accidentally or on purpose) on the engine that might also do such a thing. (Easy to check those plug wires for proper connection and order first with someone to help you that knows this information.) wayne

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