Question about 1999 Isuzu Trooper

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99 trooper describe the position of the mass air flow sensor on isuzu trooper please?

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The position like in location.
ok no problem the air mass sensor is right in the air intake it is the black plastic thing with the screen in it.just take off the air intake tubes and stuff and you will see it right there before the throttle body intake..

hope this helps
thank you

Posted on Jun 16, 2009

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Will the car roll? also make sure that the engine is on when you check the fluid lvl. when the car is off the torque converter will drain half the fluid out. making it seem like there is more fluid than needed.

Posted on Jun 16, 2009


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1997 Trooper won't idle intermittent

Try poking around in this forum.

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

1 Answer


P0101 ISUZU - Mass Air Flow Circuit Performancexicon.jpg 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

1 Answer

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

1 Answer

99 Grand Prix idles funny, dies got code p0102,

this vehicle most likely has a mass air flow sensor it may have got accidently unplugged or the air tube from mass airflow to engine is not connected well or it could be that you have indeed a bad mass air flow sensor they do make a special cleaner that you may want to try before purchasing a mass air flow sensor or purchasing one from salvage yard the symptoms you describe would be created by a bad massair flowsensor

Mar 25, 2010 | 1999 Pontiac Grand Prix

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

1 Answer

Cant find mass air flow sensor, is it bolted to the side of the throttle body with two 6 mm studs on slots for adjustment?? this is an irish jeep!

No thats the tps - throttle position sensor the airflow sensor is under the inlet manifold in the middle .

Jun 16, 2009 | 2001 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

1 Answer

Oxygen Sensor on '99 Isuzu Trooper

The O2 sensor is on the engine side (up stream) before the catalytic converter in the exhaust pipe, it is barrel shaped about the size of a jumbo magic marker.

Sep 30, 2008 | 1999 Isuzu Trooper

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