Bike runs fine just rebuilt motor but the check engine light stays on after start. fuel injection. I check the codes and it either 15 or 55 anyone else have this prob and how did you fix it. it is either the IAT sensor or microprocessor malfunction! HELP.
55 Ignition Module Failure
15 Intake Air Temperature Sensor
SOURCE: ultra classic 99 changed air filter to k/n do i
changing the air cleaner is like installing a stage 1 kit, if you have not replaced the exhaust but plan to, do it before you have the ECM redone.
SOURCE: 2002 Harley Ultra Classic backfires
Sounds like the previous owner didn't get the cpu remapped, Take it to a Harley dealer and have him check the exhaust mapping on the cpu, Shouldn't cost much or if you want get them to fully service it so that way you will know were your at with it and will have a reference point to start with or service and maintenance reasons (and re-sale value) Hope this helps
SOURCE: delphi or magnetti marelli fuel injection
If you look at the top of the Induction module, you'll see if it is either black ( single looking tube ) or Silver ( Looks like 2 tubes together ) Single tube is Delphi, Silver Dual tube is Magnetti .
I’m happy to assist further over the phone at https://www.6ya.com/expert/robert_5bac37c3cb991fdb
SOURCE: How do I change the front and rear brakes on a
Not too hard - Undo the two bolts on the caliper and then seperate the caliper and pull the old ones out. Insert the new ones and put the bolts back in to hold the caliper back together and then install them back on the bike with the two retaining bolts. Use a bit of lock tight (Blue) on the threads. Warning do not let anyone apply pressure on the brakes while you have them off the bike or you will have a mess and/or a problem.
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