Last ride out in valemount last year heading down the trail the check engine light started coming on, no overheating etc. When it came on it would act like you shut the key off. Continually happened through the whole trip and almost threw me over the bars doing pulls a few times so it kinda ruined my trip. Any idea what would cause it? I think the sled has 1000k and still has perfect compression etc. This started out if the blue