Question about 1991 Isuzu Trooper

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91 isuzu trooper no acceleration

My 91 isuzu trooper 6 cyl starts up and idles but when the pedal is pressed  it  bogs down  misses backfires. all vac lines are connected

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Sounds to me that your cat is plugged. Try unbolting the down pipe from the driverside manifold, and pull it down a bit. Then start and rev it up again. It will be a bit louder, but if it runs fine then you know you have an exhaust plug. I had a car that I got from my brother that did that.

Posted on Jul 12, 2009

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Check fuel pressure possibly too low fuel pump not pumping enough

Posted on Jun 15, 2009

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1 Answer

Acceleration problem


Could be a clogged fuel filter, could also be a slight crack in the throttle body gasket. get a spray bottle with water in it, set it to mist, while the vehicle idles, spray around the base of the throttle body, if it bogs down replace the throttle body gasket. Just curious, was it doing it before you changed the plugs and wires? If not make sure you have the firing order correct.

Dec 24, 2013 | 1997 Nissan Pickup

1 Answer

Stalls in gear, shudders while accelerating.. Cannot Resolve.


PO300 code means miss fire on the cylinders, That is usually caused buy bad spark plugs end wires,PO401 code means a problem with the EGR ,Valve Sticking.

Oct 18, 2012 | 2000 Isuzu Trooper

2 Answers

I have 1999Chevy suburban with 6.5 turbo diesel motor.it idles up and down and when driving the gas pedal is real touchy Wat is the problem and were do i locate the problem


Check the help links related to this problem.Click the link below to go through its troubleshooting procedure :-----Idles rough and quits when gas pedal is pressed less? http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html---------
Car won't start without hitting the gas pedal? http://schematicsdiagram.blogspot.com/2011/12/car-wont-start-without-hitting-gas.html
-------Complete loss of brake pedal then all gets normal? http://repairhelpcenter.blogspot.com/2012/01/complete-loss-of-brake-pedal-then-all.html
------Car dies when gas pedal is pressed? http://schematicsdiagram.blogspot.com/2011/12/car-dies-when-gas-pedal-is-pressed.html
--------Pushing on the gas pedal, but the car slows down? Gas pedal to the floor and the car slows down?

http://technoanswers.blogspot.in/2012/02/pushing-on-gas-pedal-but-car-slows-down.html

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After replacing brake rotors and pads, brake pedal remains on floor? http://technoanswers.blogspot.in/2012/02/after-replacing-brake-rotors-and-pads.html

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accelerator pedal sensor? http://technoanswers.blogspot.in/2012/02/2009-chevy-impala-accelerator-pedal.html

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For rough idle issues and problem troubleshooting,go through the help links provided below :----- van idles rough?

http://howtobyme.blogspot.in/2012/01/2004-ford-freestar-van-idles-rough.html

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will not idle when cold?

http://technoanswers.blogspot.in/2012/02/ford-explorer-40-will-not-idle-when.html

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runs lean and idles rough?

http://technoanswers.blogspot.in/2012/02/ford-runs-lean-and-idles-rough.html

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Engine stumbles coming off idle when warm?

http://repairhelpcenter.blogspot.com/2012/01/engine-stumbles-coming-off-idle-when.html

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Erratic idle on car?

http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html

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Low idle when cold out side?

http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html

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Idle Air Control (IAC) Valve Replacing?

http://schematicsdiagram.blogspot.com/2011/12/gmc-idle-air-control-iac-valve.html

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Engine quits at idle?

http://repairhelpcenter.blogspot.com/2011/10/engine-quits-at-idle.html

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Car overheats and Air blows hot at idle?

http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html

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While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

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This will help.

Thanks.

Mar 01, 2012 | 1999 GMC Suburban

3 Answers

Would an idle control valve cause a car not to accelerate?


no, idle air control valve is literally to control your idle speed.
what happen when you press on gas? car shakes, RPM goes up, or engine just bogs down?

Mar 09, 2010 | 2004 Infiniti I35

1 Answer

1989 Isuzu Trooper 6 cyl. what's the latest year


1989. Later models had changes to other components and fuel systems that make cross-over nearly impossible without intensive parts swapping.

Feb 04, 2010 | 1989 Isuzu Trooper

1 Answer

Idle issues


I had the same problem and when I change the catalytic converter the problem was solve !

Mar 25, 2009 | 1991 Isuzu Trooper

1 Answer

Trans swap


I would be very surprised if they did,no definitely not,it is self explanatory really!!!!

Dec 14, 2008 | 1995 Isuzu Trooper

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