There has been a tapping noise coming from my engine. I thought it might be pcv or fuel injector pulse. It has recently gotten louder after changing plugs and wires. I am running ngk irridiums gapped @ .046 with a heat range of 5. the tapping goes away after driving the car around a bit, but not after just warming up. I hope it is not all in my head!!! Any sugg.?
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Tapping noise!!??
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