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Originally Posted by StealthES418
Put in that stock ECU I had and the A/F still fluxuates at idle. I see it anywhere from 12's to 15. Fuel trims are stuck on 100.
Terry
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Are you watching on the Pro or the LM1 itself?
Watch the FI and FO displays on the Pro, they should be equal, except for the User tune settings (UT is the total tune, mainscale+loadranges+airtemp)
fluctuating AFR could be from misfires, a cylinder that does not fire will read lean, regardless of how much fuel was injected.
What was the deal with the coil problem you had?
B