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low fuel pressure

  1. 2007 Sportsman 800 EFI - Backfire, running rough and stalling **ANOTHER FIX**

    ATV General Discussion
    Hello all, Very new to the online posting scene so apologies in advance if I am out of line here. I have read a ton of stuff on this subject and special thanks to AKStew for all his headaches and postings! My problem was similar in my 07 800 Sportsman. I checked the TBAP harness / sensor...