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So I bought my bike with this problem, the engine light was on. Giving me a Engine Temp sensor code. I go to HD get the sensor, make my own socket and change it. Light is still on, so I test the wire at the ECM. Show's it's an broken wire somewhere (and I hate wiring). So I bust out the old Service Manual and start tearing it down where I can get to the wires. Well I notice that the color of the wire at the ECM is different than the wire off the sensor. So before I tear into her even more I start looking at all my schematics. Shows the color of the wire I'm looking at is a rear O2 sensor. So I look and sure enough they have the same plug! Swap plugs out, put the battery back in and BAM no more code.
You all have no idea how much I was racking my brain over this, and dreading pulling all those wires out. On the downside I didn't need to buy that sensor I replaced, on the up side it was such an easy fix!
Went for a little ride (10 mins maybe it was 40 degrees today) just to see how she ran now without it being pig rich. Holy **** it's a new bike
Glad it was an easy fix for you. Im looking forward to doing much of my own work and love hearing the stories of the easy fixes., because you here about the other ones way to often.
I bet there was a huge sigh of relief when you started it up and that light went off.
Sometimes I wish I would have bought a year newer model with EFI... but sometimes reading stuff like this with the wiring and sensors... maybe a carb ain't so bad ha ha.
I'm half-joking, I realize the EFI stuff is reliable.
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