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Electronic fuel injection 101

197K views 65 replies 38 participants last post by  Eric14570 
I have an 06 Sportsman 500 H.O. Took it out this weekend and it was running great. Outside temp was around 85. We were riding trails with no problems. We got down to the dried river bed and were riding in sand about 2 inches deep. My quad started stalling. It would quit running for about 3 or 4 minutes then fire up again and run for about a minute then quit again. Limped it back to the trailer and brought it home. Fired it up the next day and no problem. Any answers to what is happening?
 
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