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Reply To: Lean or rich condition? Confused

#962400
Dave Tidman
Dave Tidman
Participant

If your LT fuel trim is between -10 and +10, I wouldn’t worry about it. You will never achieve a LT fuel trim of 0. Your ECM will throw a code when it’s time to start worrying.

for Q1, valve clearance is not much of a factor, but it is important in Hobdas to keep then adjusted to avoid other issues. On the second question, the plugs are probably OK.

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