Tag Archives: Trouble Code

How To Fix P0301 Trouble Code and Clear the Check Engine Light

Diagnostic trouble code (DTC) P0301 is caused by a misfire on cylinder 1. This code is typically caused by a faulty spark plug or bad wiring connection to the cylinder, and a quick visual inspection is usually all it takes to solve the problem. However, there are many other reasons why P0301 might show up, as a vacuum leak or …

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