Quote:
Originally Posted by Giri
As I mentioned in the title my car has a pretty rough idle. If I have bottle of water in my cup holder i can see a visible shake. Anything in the passenger seat would also vibrate enough to make a noise.
Come to think of it, I also see and hear the vibration in things that I leave in my passenger seat while driving.
I just replaced both spark plugs and that didn't help the idle (although it did help with my gas mileage)
I have a set of 4 of OEM coils that I bought and was considering returning. Should I replace them? The car is at 70k miles.
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What did you gap the new spark plugs to?