I have a 99 Tahoe police package. I keep have issues with the check engine light coming on giving a PO 301 code stated that cylinder 7 misfire. I have given this truck a full tune up and a new fuel pump and fuel filter.Have check for vacuum leaks and have found none.I have try adding octane...
I have a 99 Tahoe police package. I keep have issues with the check engine light coming on giving a PO 301 code stated that cylinder 7 misfire. I have given this truck a full tune up and a new fuel pump and fuel filter.Have check for vacuum leaks and have found none.I have try adding octane...
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