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  1. Y

    Help guys 2014 viper backfiring stalling

    OK I'll check that next having nothing but issues this year . I did read about this issue. Saw some pictures do you know what causes this
  2. Y

    Help guys 2014 viper backfiring stalling

    Backfires threw the exhaust . I did blow a top gear last year in the chain case not sure if that has anything to do with it
  3. Y

    Help guys 2014 viper backfiring stalling

    OK guys looking for some assistance. Have a 2014 viper new ecu and crank sensor installed at local dealer. Now the sled is backfiring and stalling on the trail .... it sounds like the timing is out . What should I do now
  4. Y

    Help viper stalls

    They replaced the ecm they claim that it was the problem not totally convinced of that though .
  5. Y

    Help viper stalls

    Yamaha dealer diagnosed the ecm as the issue . Got the sled back drove it 20mins and it quit again .... p1338 code came up I'm loosing my mind here !!
  6. Y

    Help viper stalls

    Well it's had 2 sets of plugs this year so far and keeps fouling them up . I could be the old fuel is still in the line. Almost thinking a ground issue or ecm ?
  7. Y

    Help viper stalls

    It's gota be able to be fixed. Could it be the throttle position sensor or ground wire somewhere... It's throwing some different codes crank sensor spike detcted crank sensor tooth not detected. Tps sensor. idle air air circuit.
  8. Y

    Help viper stalls

    Yeah thanks for the info viper_dean the dealer tested the crank sensor they can't seem to figure it out
  9. Y

    Help viper stalls

    It's going to the dealer tomorrow. Hopefully they can fix it
  10. Y

    Help viper stalls

    Brand new battery in it . Took it out today started right . Let it warm up to have way took it 100ft and it stalled ..... would not restart threw a code p1338 crankshaft sensor spike ??? Could the crankshaft sensor cause this ?
  11. Y

    Help viper stalls

    I changed the plugs they were wet .. checked the battery cable it seems ok charged it up tried it today started right up seems to be ok will update tomorrow gona go north and try it out . Thank you for your help will update tomorrow night
  12. Y

    Help viper stalls

    My yamaha viper 2014 is having starting issues cranks but does not fire when it decides to start it will stall after a very short ride 5 mins or less . Then will not restart. I had old fuel from last year in it might have something to do with it . Drained it out new 91 Octane plus gas line...


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