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15/03/2023 7:08 am
Topic starter
I have a 2006 chevy suburban z71 and its got 3 codes.. there p0301 which i already replaced soark plug coil pack and wire and nothing the other one is p0300 the last one oa p0C00 im lost here.. it has anout 308000 miles
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15/03/2023 7:16 am
Well I'd start by trying to fix the misfire card. Do compression test wet and dry to see if the engine is just flat worn out. If not it could be a bad fuel injector on number one. It could be bad wiring for either the ignition or the fuel injector or it could even be a failure in the computer system. Start with the injector first after during the compression test
