Trouble code P0171 won’t clear

[Andrea Cook]

Thanks for the information! Think we'll replace hoses/lines first, then the plug wires and leave boots for last, unless they look brittle. Gonna take it one step at a time, especially with the stuff we can easily do ourselves. Might be a while as bike in winter storage, and by the looks of the snow on the ground, that's likely a month or more away, LOL. We'll update once completed.

 

[BLUEKNIGHT911]

Andrea. Welcome aboard. Heat in the engine area is the V-Twin engine’s worst enemy. So, anything rubber is suspect, including the throttle body boot and plug wires. So first, changing those two little vacuum hoses is so easy to do, and works 90% of the time. And yeah, they always look ok until you take them off and flex them. Then the cracks appear visible. Plus, any vacuum leakage in those hoses can affect the signal from that sensor. While he is working in that area, have the dealer inspect the rubber boot that the throttle bodies mount in for cracks and that the clamps are tight. Consider replacing spark plug wires if they’re original. It’s well known on here that BRP wires on the V-Twin are junk. Site sponsor BajaRon can fix you up with the good stuff if you can get it installed. Sorry that your dealer is so mystified by all of this.

:welcome:.... & ... :congrats: ...... As stated above, V-twins run HOT .... the OEM plug wires are a common Failure point ..... and the cracking is usually microscopic and may not be seen .... I also agree using some from BAJARON ( a sponsor here ) they are complete w/boots etc..... The same goes for the throttle body hoses, microscopic cracking.... and if you aren't using STAR washers on the Battery connections it is in your interest to add them ...... Mike hyea: