Question about 1999 Isuzu Trooper

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Isuzu trooper engine stops while driving

-The engine stops while I am driving at low speed or stop at stop signs or light
-It will restart immediately
-On the highway it runs fine
-Sometimes it runs fine at low speed or when I stop
-I am running a 1999 Isuzu Trooper

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  • stacysws Feb 19, 2009

    i have the same problem, email me if you find out what the problem is at stacysws@gmail.com



    thanks,

    stacy

  • mmccaffer Feb 22, 2009

    i had this problem occur on my 2000 trooper about 1 year ago. after being in and out of my dealership it seemed an engine harness fixed the problem until a week ago when the problem occured again. if you get any more information give me a holla @ mmccaffer@yahoo.com . i'll post back here if i find out anything as well.

  • captjiji Feb 28, 2009

    You have to give more details like electrical load etc.. I mean, does this happen without any electrical load or only when your a/c, sterio and/or lights are on? Have you done any electrical works on your trooper lately?

    Try testing your self, drive around without any load. If the car shuts down then it could be some electro mechanicalproblems. Also check if your fan is stuckup. If this happens with electrical load like light, a/c or sterio only, have the wirings for those checked. It could be shorted or so.

    On my car this happened and i foundout it was coz of my fan. it was stuckup

  • Jon Lamp Dec 23, 2013

    Based on what you are saying it sounds like the Throttle Position Sensor (TPS) needs to be cleaned or replaced.

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  • 235 Answers

If its the 3.0 diesel it could be the rail oil pressure sensor starting to pack up .

Posted on Jul 05, 2009

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


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My isuzu is 1998 bighorn.the problem is check engine light come on aand engine stops.i have to start it again


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An orange warning light shaped like an engine has come on what does it mean


Engine warning light

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You can try turning on the AC and see if the engine slows down to confirm this one.

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3) Simplest of all. A vacuum leak. You can get the engine vacuum read while running if you go to a mechanic with a vacuum guage or an OBD 2 ecu code reader. There should be specs on what vacuum levels are normal for you car at idle.

Good luck and be careful!

Dec 29, 2009 | 1996 Isuzu Trooper

1 Answer

Car will not go when I access the accelerator


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May 22, 2009 | 2002 Isuzu Trooper

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The engine stops ,wont start again no indication on the dashboard


Most likley cause is the Rail Oil Pressure Sensor which is under the cam cover and sends info to the ECU . No or wrong info an the ECU stops the engine ,you can test this part by pulling out the white or yellow wire from the multi plug by the dipsick on the car side of the loom .All the other wires in this plug are pink so its easy to see. then if the car starts the sensor is at fault but get a new one !

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Apr 19, 2009 | 2002 Isuzu Trooper

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98 Isuzu Trooper stalls on cold start, idle issues..


I had the same issue on my 99 Trooper.

It would usually start when completely cold, but idle around 2k RPM.
It would drive fine. But if I shut it down, ran into a store, and came back out, it would start but immediately idle.
Had to ride the gas a little to get it into gear.
The Check Engine light has been going on and off for 6 months or so.

I took this to my local trusted repair shop (no Isuzu dealers within 200 miles).
The diagnosed the light, and found that the Intake Gaskets were bad or leaking.
The idling problem was related to the car not being able to control the amount of air coming in.

They replaced the Intake gaskets by the next day, and I haven't had a problem since. And no more check engine light, which has been on half a year.

Here's some details from my bill:
(1) Intake Gasket set $107.95
Misc materials $21.00
2.1 hours of Labor

The total cost to me was $345.00, and I definately don't feel gipped.

Jan 06, 2009 | 1999 Isuzu Trooper

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