Quote:
Originally posted by I H8 COPS
You say to check the ECU for 0304 but it's been 4 months and the ECU did not throw a check engine light on even once. Also, where are the boots of my iginition coils located? R u saying that the stock rap sucks?
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The knock sensor code is a "ghost code" it will not cause the check engine light to come on. Check anyway.
Each ignition coil is attached to each spark plug with a long rubber connector, or "boot." Sometimes the rubber of the boot will deteriorate. This can cause the spark energy to short circuit to the valve cover instead of reaching the spark plug. Removing the coils and wrapping the boots with a layer of electrical tape can solve this problem, or at least rule it out as an issue.