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'12 RZR 900 Check engine 51 with stuttering?

1.7K views 1 reply 2 participants last post by  dj41c  
#1 ·
Hey guys, got a 2012 RZR 900 with 630 miles. Today fired it up and let it warm up. After about 5 mins of idling, I took it through the field and it had a off idle stumble, shortly after that it threw a check engine light with code 51. It then would intermittently cut off while sitting at idle and had a off idle stutter to go along with it.

Went and ate lunch, fired it back up and rode it through the field, no check engine light and ran completely fine (monitored engine temp and got warmer than the first session). Once I brought it back after around 5 minutes of moderate riding it started idling funny again and threw the 51 code.

Any ideas? Ill post a video as soon as it uploads.

Thanks