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help 2013 xp 800r

F
Oct 16, 2008
75
2
8
Quebec
I'M constanly fouling plug at idle but they seem dry black and gray electrod not wet black. idle is a littlebit messy and motor die when warming up. afr is at 14.0 idling.the midrange afr is lean 15-16 somtimes goes to 17 and when i stop i got hanging idle at 2500-600rpm. full throttle is top notch 12.0-12.6.

one mounth ago i broke a plug cap so i puted ngk plugs and cables for the weekend waiting for oem from brp.I didnt foul a plug but have this lean condition at midrange. i installed back oem and got every symptoms above.

i don't know why but the lean condition with the hanging idle apear and desapear. so im kinda lost!

also yesterday my afr send me an error code . it was ,short(ground) in sensor cable or short in sensor.

so i dont know if its electrical or mechanical
dpm ? pto seal? coil? stator? a short ground?

motor stock and crank rebuild 2000km ago
afr before 14.5idle 14.5-15.1midrange 12.0-12.6 wot
 
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