Check engine light flash

Asked by Nov 10, 2017 at 06:27 PM about the Chevrolet Silverado Classic 2500HD

Question type: Maintenance & Repair

On my 2004 Chevy 2500 HD the check
engine light is on and as I get on the gas a
little bit the check engine light flashes it is
on all the time and there is a rattle noise
coming from the exhaust

1 Answer

107,765

Best to find out what the computer has stored for codes and go from there, the rattle could be anything, O2 sensor came apart, catalyst's internals disintegrating, or it could be just a loose mount.

Your Answer

Chevrolet Silverado Classic 2500HD Experts

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    curt2500
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    Bob Beaman
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    tennisshoes
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