2002 chevy z 71 what makes it run rough

Asked by Guru9FXS7S Nov 28, 2022 at 06:06 AM about the 2002 Chevrolet Silverado 1500 LS Extended Cab 4WD

Question type: Maintenance & Repair

when it starts raining it starts running rough and the servese engine light starts
flashing and no power

2 Answers
40,005

beatupchevy answered about a year ago

Sounds like an ignition problem setting off a limp mode , I'd get it fixed before you burn a valve or something

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310,255

Gene answered about a year ago

Yep sounds like your ignition wiring is in need of replacement, better check those coil towers for carbon tracks.

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