Quote:
Originally Posted by Bonburner
FA20 is pretty notorious for poor idling.
But since you've reached out to your tuner, you're in the right direction.
Personally I found slightly improved idling after I swapped out my dying battery, ignition coils, and spark plugs and Chevron/Shell gas.
After some hard long use, it can still have a bit of a rougher idle still but better than before.
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not really. once it settles and only DI is used for idle, is pretty rock solid
Who has idle problems, has actually tune problem