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Ignition/Tuner/ECM/Fuel InjectionNeed advice on ignition issues? Questions about a tuner? Have questions about a EFI calibration or Fuel Injection? Tips on Engine Diagnostics, how to get codes, and what they mean. Find your answers here.
He has a 2000 ultra classic and for some reason he can't figure out it's fouling the plugs after just one ride, I was behind him today and at about 75 it started to act up. Here is the brand new set he put in today,
One on the left looks fine and the one on the right a tiny bit lean but still good.
They are not fouled so he is going to have to look elsewhere for the problem.
That is a fouled plug below.
For me the one on the left looks good and the one of the right a little rich. I'd leave off the finned plug covers and make sure the inside of the plug caps are clean. Also if running plugs with screw on caps, make sure they are tight. Hard to tell from the pick if it EFI or carb. Looks like EFI.
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