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Missfire Diagnosis
Posted to Technical Discussion Forum on 1/5/2018 5 Replies

Hi everyone, I am looking for some advice on a missfire I have. I believe I have a carbon issue. No codes are being set and I have narrowed it down to cylinder 1. When I get the vehicle hot I can disconnect the coil pack and the van will start and idle. It idl... Login to read more.

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car Vehicle Data

2008 Chevrolet Uplander LS 3.9L

Engine3.9 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2008 Chevrolet Uplander LS 3.9L

Engine3.9 L
Trans4-speed Automatic (Electronic)