Electrical/Ignition/Tuner/ECM/Fuel InjectionHaving electrical problems? Need advice on ignition issues? Questions about a tuner? Have questions about a MAP or Fuel Injection? Find your answers here.
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Remapping should not be necessary UNLESS you loosen the adjustment screws and move your throttle position sensor (TPS) without following proper procedures. That could change the relationship of the TPS voltage signal per the percentage of throttle blade opening to the ECM that controls both fuel and spark. This is the most critical adjustment of any Harley type EFI system.
