Quote:
Originally Posted by Jeff@TopGearSolutions
It's likely your spark plugs.
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Jeff, you really think that's the culprit?
I have the cold start misfire, too (no tune on car).
Car starts very quickly: amazingly quickly, actually. Sometimes starting on the first turnover even after sitting in the garage for a week.
Cold idles fine, usually (have gotten a stuttered cold idle twice) - but if I get in it and drive away before its had time to pull vaccum and close the exhaust flap, it misfires for the first quarter mile or so.
After it warms up and closes the exhaust, it's fine: no misfires, even when putting the hammer down.
I'll be changing all the plugs and coils as routine maintenance regardless, but was just curious as if you thought it really could be that simple.