Why am I still receiving a p300 code

Asked by Terry Nov 17, 2021 at 08:39 PM about the 2004 Buick Rainier CXL AWD

Question type: Maintenance & Repair

Replaced all 6 ignition
coils and plugs still
skipping and p300 code

1 Answer
310,085

Gene answered 2 years ago

Did you replace the plugs at the same time as the coils?

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