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2012 Summit 800 etec engine failure

1K views 1 reply 2 participants last post by  taterchip 
#1 ·
I have a 2012 Summit X 800 Etec. The sled has just over 4000km. The sled was running great, the only issue was that the check engine light was on. The code was for a faulty exhaust pipe sensor. I have it on order but we ran the sled for a few 100km with the light on. My son was driving about 50 miles an hour and the engine locked up. After a few minutes I was able to turn the engine over. I didn't attempt to start it. Did a compression test and had 140psi on the mag side and only 30psi on the clutch side. Looking at the pictures what do you guys think cause the failure? Is it possible that the faulty sensor caused it?
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