SOURCE: occasional jerking movement at high speeds
That's a tough problem to solve online...could be from fuel contamination (usually water), ignition shutting off for a second or throttle position sensor with internal wear. (internal switch problem) Or a problem with converter lock-up in transmission or trans control. Or, a million things in-between. Check codes first and see if anything helpful is in there, do some "wiggle tests" on wiring to see if engine falters when running, Have fuel checked for water, and have trans checked for good electrical connections. Largest problem is that even the best equipment will not be able to find a fault if it's working while being tested. Yours is the kind of problem that shops dread...it takes a lot of testing and a bit of luck to find and fix, and if they can't it makes them look bad.
Could also be that I read this wrong and perhaps jerking is in steering etc?
SOURCE: van backfiring when driving at low speed
For the 3.3L:
Firing Order:
1-2-3-4-5-6
Cylinders:
(back of vehicle)
1--------3--------5
2--------4--------6
(front of vehicle)
Ignition Coil:
(back)
6---3
4---1
2---5
Let me know if this helped, or if you have additional information or questions. Feel free to contact me at FixYa.com!
SOURCE: 93 Impreza hesitation at low rpm light backfire
Check the WOT sensor. WOT = Wide open throttle.
SOURCE: car jerks when trying to pick up speed and shuts off as you drive
sounds like possibily crank sensor or cam sensor
http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html
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Nissan Pathfinder Backfires?
http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-backfires.html
---------How to adjust rpm?
http://schematicsdiagram.blogspot.com/2011/12/how-to-adjust-rpm-on-2009-dodge-charger.html
------------Engine cuts out at 3000
RPM?
http://schematicsdiagram.blogspot.com/2011/12/engine-cuts-out-at-3000-rpm.html
----------This will help.Thanks.
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