Question about 2001 Isuzu Trooper

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2001 isuzu trooper hesitationg on acceleration around 30mph. could it be a mass air sensor problem? bad gas? just filled up the tank on friday, just started this morning. runs just fine until i rev the engine, slightly, rpms go up just as needed.

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Change your spark plugs......most of the power lost involved is because of using injector cleaners and toooooooo much of it........it ok to use it.....but it will fowl your plugs.......supper easy to change them...Note: make sure you use a spark plug socket...with the rubber insert so you dont keep dropping the plug.......just unplug the black wires one at a time and pull out the coil/plug wire.......and change them......please dont use those crappy champion plugs.....!!

Posted on Oct 18, 2008

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1997 Trooper won't idle intermittent


Try poking around in this forum. http://www.itocuk.co.uk/

Generally speaking for any vehicle. Check your air filter. It may be clogged. There is also a special spray for cleaning mass air flow sensors, like a carburetor cleaner spray. You loosen a hose clamp in front of the sensor and clean off the fine wire grill by spraying only. Don't touch. If you can see it from the air filter holder just blast down the tube. Let the gas evaporate a couple of minutes before you restart. The wires are delicate and need contact with the air to get a good reading.
You could also check the wires going into it. A blast of contact cleaner in a connector has cleared codes for me in the past, especially if leaking oil is blowing up. That is, if the filter and the sensor are clean.

Jan 04, 2015 | 1997 Isuzu Trooper

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Why does my 2001 isuzu tooper shuts off I stop at red light or stop signs?


If your mechanics say the mass air flow sensor, fuel pump and fuel filter is good then check your intake Manifold Gasket. It is a hard 1/4 inch thick plastic gasket that cracks frequently and causes sputtering when letting off your gas pedal and eventually lead to stalling at red lights and stop signs if cracked bad enough.

Aug 11, 2014 | 2001 Isuzu Trooper

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ISUZU TROOPER 3.2 V6 CODE P0101


P0101 ISUZU - Mass Air Flow Circuit Performancexicon.jpghttp://engine-codes.com/p0101_isuzu.htmlForum CodePossible causes- Dirty mass air flow sensor
- Dirty mass air filter
- Mass air flow sensor harness is open or shorted
- Mass air flow sensor electrical circuit poor connection
- Intake air leaks
- Faulty mass air flow sensor
Tech notes Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner. Reset code and drive vehicle. If the code comes back, it may be necessary to replaced the mass air flow sensor

Jul 04, 2012 | 2001 Isuzu Trooper

1 Answer

Hi i have a fault code of p0101 on my isuzu trooper 2001 3.5


Mass air flow sensor error. Try spraying the sensor with mass air flow sensor cleaner(AND ONLY MAF CLEANER) and see if it clears up. if not you may be looking into a new mass air flow sensor. It should be located in the tube that goes to the air filter box.

Jun 28, 2011 | 2001 Isuzu Trooper

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My trooper is experiencing a slight loss of power while shifting and applying gas resulting in a misfire or stuttering but only occassionally, most of the time it runs perfect. Clutch and clutch master...


if the vehicle has a mass air flow sensor it may be dirty remove and clean the mass air flow sensor with carb cleaner and it should take care of this.

Jan 22, 2011 | 1994 Isuzu Trooper

2 Answers

Engine Flutter in 95 Trooper


If it was mine I would get as much of the old fuel out of the tank as I could.(syphon or look at tank for a drain plug)Change the fuel filter.Fill it with fresh fuel.Add a bottle of (Red color) STP fuel treatment.This will help remove condensation form the tank.Also check the condition of the air filter and install a fresh set of spark plugs,properly gaped.
The octaine in you old gas gets weak. Its not good to let it sit for so long.
I hope this helps you.

Sep 21, 2009 | 1995 Isuzu Trooper

1 Answer

I have replaced the throttle position sensor, egr valve, o2 sensors, mass air flow sensor, fuel system, and my 99 trooper idles high, and shuts off


Check the Idle accelerator valve located on front side of throttle body, it is either stuck or needs cleaning real bad, this is what controls your idle speed, by letting small amount of air in. It has a plunger on it that moves back and forth slowly to adjust amount of air mixture, it is controlled by computer. Unplug it and just turn on key and check for voltage.This valve gets real gummed up, probably need to take apart throttle body and clean. HUNT

Jul 12, 2009 | 1987 Isuzu Trooper

2 Answers

Air in fuel


The metal pipes out from the tank rust drop it down and you will see the holes or put fuel hose right over them .

Jun 16, 2009 | 1999 Isuzu Trooper

2 Answers

Emissions problem


OK,,,GIMME ENGINE SPECS....AUTO...MANUAL...4WHEEL DR. 6CY...3.1...ETC......PLEASE

Sep 17, 2008 | 2000 Isuzu Rodeo

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