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Cars & Trucks Master
21,873 Answers
- Posted on May 28, 2013
Re: What is Diagnostic code PO306 and PO118
Code 306 is a miss on cylinder 6, and code 118 is for a short to ground for the coolant temp sensor.
Once the sensor is replaced or the problem fixed, you would need to clear the code with a scanner. Same thing for code 306.
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