20 Most Recent 2006 Harley Davidson FLHX Street Glide Questions & Answers

It is not d1ag you are seeing, it is diag which stands for diagnostic. Press the reset button again to advance to the various sections. If this comes on every time you turn on ignition without pressing the odometer reset button, then the button is stuck on. Replace it.

Check air filter, gas filter in bottom of tank and the rubber going from the carb to the engine for the signs of cracking...air leak is what your looking for, make sure the g like isn't too close to the manifold.... but most likely your coil pack is done... if the bike starts and idles great when cold then this is your problem.... most times it will b running on one cylinder if it is duel and one shuts down so it sounds like a dog, will go to a rough idle and be hard to keep going with a major loss in power...

sounds like a wire has rubbed bare and any weight is grounding it, maybe around suspension parts or just under seat. Possible broke wire but not all way and insulation still intact.