Question about ATVs
Starts and idles great until you press the throttle, it starts to sputter and backfire and will move but jerking
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Posted on Jan 02, 2017
SOURCE: my blazer runs good until
I have read that if the TPS is bad and you unplug it and the vehicle runs better then it could be the TPS.( throttle position sensor ). could also be low fuel pressure. also check or replace coolant tempurature sensor. if the coolant sensor sends wrong info to pcm when hot ,then it will throw the timing and etc. off. that could be why it backfires when warmed up. make sure fuel filter is ok!! have a good day !!
Posted on Mar 27, 2011
SOURCE: My 1997 Nissan Quest Van when I start it it's okay, but when I accelerate the gas it starts to sputter. These miniture backfires go on but when I release the gas pedal the sputtering stops. I am n
the first thing I would start with is looking for vaccume leaks. be sure to check your EGR valve, then move to your MAP sensor. The next thing that it could be is a stopped up catylic converter
Posted on Apr 29, 2012
I have the same problem and i checked the knock sensor should give you a code 43!!! Disconect the connector of knock sensor and with multimeter you should get 4-6 volt with ground!!
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Posted on Nov 07, 2012
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