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.
Fact: If there is good spark (as compared to the good cylinder) AND fuel is being introduced, even if not going bad, usually drooling causing rich idle, will fire the cylinder.
A completely dead cylinder indicates suspected broken wire to the injector, usually between the frame and the injector.
Bob
I have same problem on 2005 FLHRCI Road king . Have tried everything and still rear cylinder wont fire. Did Compression test and it was good but still rear cylinder is cold while front cylinder is hot. Did you resolve your issue if so how ,?
Bad injectors, replaced both with matched 35 lb. injectors and purring like a kitten.