I put my car on the computer and recevived codes p0300- p0303, what do I need to do to fix this?
Mar 28, 2008 at 10:19 AM
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DOCHAGERTY
CERTIFIED EXPERT
9,603 POSTS
The plugs should be replaced and the faults cleared, and if the faults return , try swapping two of the coils and re clearing the faults and retesting. If no joy, then it may need new coils.