Question about 1989 Isuzu Trooper

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The truck starts up for a few seconds then dies?my truck is 1989 isuzu trooper ,the weather is very cold right now , is this a fuel pressure problem?

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89 6cy Isuzu Trooper just had a recent tune up..new plugs, wires, cap, button and the next day fires up, dies and now it wont start...help!

Posted on Mar 30, 2010

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It actually could be a number of things. I need to ask you more questions to narrow my prognosis down. You mentioned the weather being cold, lately. How cold? Freezing?When was your last tune up and do you eventually get the car started after trying for a while? If you do how does it run?

Posted on Dec 13, 2009

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Related Questions:

1 Answer

My 1991 isuzu trooper will start and then die after a few seconds. Its getting fuel to the motor and the fuel tank, filter and lines are clean. So its getting fuel. I changed the plugs today. The old ones...


check the fuel line pressure it should read 55lbs ,on the fuel injector rail is a tyre valve looking thing with a plastic cap ,connect a pressure gauge to this and see what you get

Apr 15, 2012 | 1991 Isuzu Trooper

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1993 Trooper 3.2L DOHC. Will start after sitting for an Hr or so. Will run for max. 7 min at idle. When engine starts to die sounds and feels like an old chevy with the choke stuck. Carb cleaner will...


When this stall or fails to start occurs have a pressure gage hooked up to the fuel injection pressure test port (top of engine in the pipe that supplies the fuel to injectors) and see if you are losing fuel pressure.

May 18, 2017 | 1993 Isuzu Trooper

1 Answer

My 1989 isuzu trooper will not start it is not battery or alternator i replaced the fuel pump and it started 3 times then after sitting for a few minutes it wouldnt start anymore any ideas?


i had similar problems with my 1989 as well as the wife's 1990....my problem was freyed wires near gas tank as well as fuel pump relay...the wife's was relay as well.try to follow fuel pump and relay wires test along the way. hope this helps!!

Dec 30, 2010 | 1989 Isuzu Trooper

1 Answer

What is the correct preasure of fuel pump for isuzu trooper II 1989 V6 american version


The engine is a GM 2.8L V-6 with TBI. Typical fuel pressure would be around 28 PSI.

Oct 07, 2010 | 1989 Isuzu Trooper

1 Answer

I have an 1989 isuzu trooper it stall as i am driving it do not matter if i am driving in the middle of the street or at a stop it will stop, at first it would start right back up and now it will not star,...


Check for spark at the spark-plugs the next time it dies on you--you will need an assistance with you.
If you have no spark than you may have a bad magnetic pick-up in the disributor--I am assuming that it has a disributor.
Or if that 's good than check for fuel pressure--may have a bad fuel pump or relay.

Nov 01, 2009 | 1989 Isuzu Trooper

1 Answer

1990 isuzu trooper will not start in cold weather


Well, could be many things, but first and easiest, check the dist. cap and rotor, and all the plug connections. Any moisture will freeze and short out the ignition system. Also change the fuel filter. If you get the slightest moisture in the fuel it will lock up the filter when the water freezes. Could be a relay, probably "engine relay" that sticks when it gets too cold.

Some starting points I hope.

Jan 05, 2009 | 1990 Isuzu Trooper

1 Answer

1989 trooper just died


Have a 2.6 with the same issues. only mine will almost always start after disconnecting the fuel line and reconnecting it. I have replaced the fuel pump, inline filter and pressure regulator. My car dog friends are telling me it's the injectors.

Sep 03, 2008 | 1989 Isuzu Trooper

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