Question about Isuzu Trooper

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Isuzu trooper starts fine runs good once you turn it off hard to restart almost like it's flooded some times will backfire . And has had the reduced power come on two times. I had it at three shop

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I would suspect a faulty crank position sensor. Replace with a known good one and see what happens

Posted on Jan 19, 2013

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Rotated Rocker arm, backfires, wont start


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3: no year car, wow , now that makes this 10000 harder.
sounds (Im, deaf) like the cam was timed wrong to me.
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backfiring means, "You timed me wrong"
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Jun 14, 2015 | Isuzu Cars & Trucks

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1994 Isuzu trooper very hard to start. acts like it flooded but when it finely starts it runs great and will restart every time. once cold it ether won't start or is very hard to start and acts like its...


Have a test done on the glo-plug system as it appears that they have burnt out and are not pre-heating the cylinders or providing a source of ignition for the atomised fuel from the injectors

Sep 15, 2013 | Isuzu Trooper Cars & Trucks

1 Answer

I have a 95 Isuzu Trooper 3.2 DOHC. It just stopped running. Turns over have checked gas pressure seems fine. Thinking it's the crank shaft sensor. Where's it located.


Location is lower right side of engine block. ,you also have to remeber you have the famous ICM (ignition control module) This connector is famous for loose or corroded terminal, its located behind ICM at the intake manifold.wiggle it see if that will help to get it started,wiggle the connector you crank have your brother wiggle the wire to ICM and even the cranksensor wire3_29_2012_7_48_46_am.jpg3_29_2012_7_50_46_am.jpg

Mar 28, 2012 | 1995 Isuzu Trooper

1 Answer

1999 isuzu trooper works fine until it heats up . then it jurks and acts like it has no gas but rpm's jump like crazy by themself...anyone have any ideas


Replace the coolant temperature sensor. This part determines the operating temperature of the vehicle, which the computer uses to determine the correct amount of fuel to the injectors. When the sensor goes bad the computer thinks the engine is cold all the time, so it sends too much fuel into the firing chambers, basically causing it to flood.This will cause the vehicle to run fine when the engine is cold, but once warmed to operating temperature it will stutter and lurch while driving, and even die at stoplights sometimes. I'm 99% sure this is your problem, although it could be a bad oxygen sensor.
Although these parts aren't necessarily maintenance items, they do fail at some point, as the engine gets more miles on it. The parts are relatively inexpensive, in the $20-$30 range, so you're not out anything by just replacing them.

Jan 09, 2012 | 1999 Isuzu Trooper

2 Answers

1990 trooper 2.8L V6 Gasoline starts hard if at all,fires then backfires then runs a few sec then dies


Have you cleaned the throttle valve and the air bypass idle speed control valve? If not do that. When they get really gummed up from backwash from the combustion process they cause this problem of stall on cold start.

Mar 16, 2017 | 1990 Isuzu Trooper

1 Answer

Flooded starting


I have the same truck, my motor went south blew the head gaskets, but right befor that i was having the same issue. It qwas a bad spark pulg and a O2 Sensor, i just changed the plugs and it was all good after that.

good luck

Jun 18, 2009 | 1993 Isuzu Trooper

2 Answers

91 isuzu trooper no acceleration


check fuel pressure possibly too low fuel pump not pumping enough

Jun 14, 2009 | 1991 Isuzu Trooper

1 Answer

Isuzu trooper engine stops while driving


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

Jan 21, 2009 | 1999 Isuzu Trooper

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