I have an 02 ultra that has been missing (cutting out) at idle and at speed. I have replaced all sensors on the induction module as well as the module itself. Have replaced the coil, plugs and plug wires and crank sensor. Have inspected the injectors (not sure what I'm looking at if there was an issue) Also have pulled the fuel pump to clean and inspect. Any ideas were to go from here?

 

Also have replaced ECM as well

 

Have you verified all grounds?
How about broken wire to coil or crank sensor?

Or just dirty connectors.

 

I had one of the wires to my rear injector break INSIDE the insulation. You could barely see it. It took me forever to find it. Almost drove me nuts. Same symptoms as yours.

 

Yup, HangFire that one sure is a pain in the *** to figure out.
Also a loose battery connection will drive one loopey as well,
Dont ask me how I know that one as well.
Rob

 

My '02 Road King had the rear injector harness problem. Intermittent and aggravating. Repaired the wiring and done. Check Engine light would come on some times too...before the repair.

The bad wire was "brittle" from heat...FWIW. Good luck.

 

Thanks for the info, tried most but you have given me a few new areas to look at

 

Engine temp sensor?