Question about 1998 Isuzu Trooper

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Isuzu trooper o2 sensor fuse - 1998 Isuzu Trooper

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Posted on Jan 02, 2017

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SOURCE: 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.

Posted on Sep 30, 2008

  • 426 Answers

SOURCE: 92 ISUZU TROOPER No speedometer or odometer

It should do unless the gauges or boken/loose wire was the original fault

Posted on Dec 14, 2008

  • 22219 Answers

SOURCE: 1992 ISUZU TROOPER Crank Sensor location

doesnt have one its inside the distributor

Posted on Feb 04, 2009

  • 321 Answers

SOURCE: O2 Sensor Problems-1996 Isuzu Trooper

they are very easy to replace .
all you need to do is go to autozone and get the right parts.
then you will find the old parts on the exhaust system.
unplug the first one you find and unscrew it from the exhaust and refit the proper replacment part.plug wire back in.thats all you will need to do on the second one also.after that your done.ask auto zone after that to reset your codes for free with the code checker.then get a can of carb cleaner and spray out the throttle body of all the black carbon around the throttle plate.use a clean rag only.make sure its clean around the plate.
thewn fill your gas tank with supperunlead dont get the crappy gas any more cause it causes the carbon to build you will get better gas your ready for an inspection sticker.
hope this helps
keep me posted

Posted on Jul 20, 2009

  • 1 Answer

SOURCE: 1994 Isuzu Trooper o2 sensor, and other misc. problems.

when you replace O2 the light will not go off you must follow these steps, At 90K intervals, the O2 Sensor light will illuminate. After replacing the sensor you must perform the following procedure to reset the light. 1. Remove the instrument cluster. 2. Remove the tape from the hole marked "B" on the back of the instrument cluster. 3.Find the hole marked "A" and remove the screw from that hole. 4. Install the screw in the hole marked "B". 5. Recover hole "B" with tape. 6. Reinstall instrument cover. Once you travel 90,000 more miles you get to reverse the procedure. I think they should test the water at the places those automotive engineers work at.

Posted on Jul 29, 2009

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We do not have these diagrams, the info is located in the factory repair manual and that is copyrighted and not free to share because of the copyright. You can "rent" access to the manuals and all tech inf here:

Feb 22, 2012 | 1999 Isuzu Trooper

1 Answer

What is O2 light censur on my 1992 Isuzu trooper

Hi there,

An O2 sensor (also known a HEGO or HO2s) is an electrical 'probe' which is screwed into your exhaust pipe/s (you will see an electrical wire connecting into your exhaust pipe).

Each exhaust pipe will have an O2 sensors (sometines 2 per side - one mounted in front of the catalytic converter and one after the converter).

An HO2 sensor is responsible for heating up the exhaust gas (when starting vehicle from cold) to aid the computer in delivering the correctly Fuel/Air mixture. Once the engine reaches normal operating temperature, the heater section on the O2 sensor then turns off, providing normal exhaust gas measurement for appropriate fuel/air mixture.

An HO2 sensor is critical in the efficient running of an engine.

Hope this helps,


Jul 24, 2011 | 1992 Isuzu Trooper

1 Answer

O2 light stays on

You're lucky you have an O2 sensor light, which most cars do not have.
Did you change both O2 sensors?

Jul 11, 2010 | 1992 Isuzu Trooper

2 Answers

I installed new o2 senser and the light stays on -1992 trooper

Do you mean that the check engine light stays on after you installed a new O2 sensor?

Check for codes, again, and go from there.

Jul 11, 2010 | 1992 Isuzu Trooper

1 Answer

Over fueling and not wanting to accelerate.

Have your map sensor checked.
Black smoke is unburned fuel or carbon.
Is your check engine light on?
If so go to Autozone or Checker O'Rellys
And have them get you a free reading.

May 19, 2010 | 1993 Isuzu Trooper

1 Answer

I have a 1992 Izuzu Trooper...just hit the 180K mark on mileage...and the O2 light came on...what does that mean?

most likely that your O2 sensor has gone bad. this affects fuel mileage and power you need to hookup a scan tool and have it checked out.

Dec 30, 2009 | 1994 Isuzu Trooper

1 Answer

Cant find o2 sensors

if you follow your exhaust system you will find the o2 sensors they could have one right off the exhaust manifold and your second o2 is going to be behind the catalytic converter. so you will have a o2sensor before and after the catalytic converter on the exhaust hope this helps you out.
please rate me if you would
thank you

May 22, 2009 | 1991 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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