It starts out as a miss while cruizing,which continues, then hesitates & bucks- with engine warmed up-& progressively gets worse until there is no acceleration even with petal to the metal. the other day was the worst. it started to overheat then brake light & anti-lock brake light came on. i almost blew it up because i had it punched to 7,000rpms-in the red zone for sure. i barely got off the road-still running then it shut down. i let it cool off a few then got back on the road. the lights were green the rest of the way. it was embarrassing stopping at red lights cos it wanted to quit. just a bad scene all around. chitty chitty bang bang.
SOURCE: 2004 nissan armada low idle then won't start
I had the smae problem with mine last week, it turned out to be the IPDM Independent power distribution moduel, looks like a big fuse box. I would take it to a side mechanic and have them fix it instead of going to the dealer it took like 45 mins to take the old one out and put the new one in. If you go to the dealer they are sure to charge something crazy. Hope that works for you.
SOURCE: when engine is warmed up the car begins hesitating
check your engine vacuum pull off a line near you egr port ..egrs get clogged as well ...test your vacuum you need to be steady close reading near 14in hg
next your oxy sensor could be working but slow leaning out your injectors and also understand that a voltmeter can test your sensors now do not forget about plenum or intake leaks ...if your car has an idle control valve it can be malfunctioning i usually only see them go bad in cadillacs though..
SOURCE: 2000 nissan xterra hesitating when engine is warm
We are having the same problem. We are right now changing the crankshaft position sensor along with the intake and manifold gaskets.
SOURCE: when engine is warmed up the car begins hesitating
I really think it's the TPS, (throttle positioning sensor) on the throttle body. When this sensor is defective or out of position the vehicle will idle like that and even stall. If you haven't had it scanned, you should do so, that will probably tell you the problem.
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