2003 4.2 L GMC Envoy
5

Asked by Derek Oct 30, 2020 at 09:13 PM about the 2003 GMC Envoy 4 Dr SLT 4WD SUV

Question type: Maintenance & Repair

1 Answer
5

Derek answered 3 years ago

Ive replaced plugs and injectors. MAAP and MAF sensors. Crank and cam sensors. VVT solenoid and O² sensors and cleaned the throttle body. It will start after cranking it 5 or 6 times. It sounds good then starts sputtering and dies after 5 or 10 seconds. Trouble code 1345 still. Any ideas what to do now? Ive got too much invested to quit. PLEASE HELP!

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