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Re: FUEL TRIM LEAN DIAGNOSIS
Posted to Technical Theory Forum on 4/4/2025

If you inferred zero trim on accel, that was not the case. Again, under hard accel, 5-6 ms on time, moderate, around 3 ms. After conferring with John Thornton, I am pretty convinced that no real injector decision can be made simply by looking at an increase in... Login to read more.