joensk Posted September 18, 2006 Share Posted September 18, 2006 Hi I recently had the trouble code PO330 shown up on my vehicle. The problem is very strange. The code seems to reset itself if I drive the car for awhile. Lately I drove the car over a weeks,No problem. My wife told me the code only appeared when she drove the car on the highway. Is anyone know if the code PO330 only appeared when the knock sensor has an open and a close circuit malfunction or it can also tell us when the engine had miss fired. I noticed the engine run a little rough idle. Can I start solving the problem by changing the spark plug first.? Quote Link to comment Share on other sites More sharing options...
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