Question about 1991 Isuzu Trooper

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I have 91 trooper never a problem. Today on way home it just it home sprayed some gas in the fried up for sec.any ideas to check.and will fuel pump quit whit no worning

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Check fuel pressure, if no pressure that is a sign of a bad fuel pump, and yes fuel pump can die with no warning.

Posted on Feb 06, 2010


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I just bought my first Trooper and love it. It spits and sputters and looses power up hill. I replaced the plugs, the wires, and the fuel filter. It has a valve cover gasket leaking for sure. I cleaned all...


It could be numerous things so please accept this is a partcial solution, just for some idea's for yourself.

Firstly the I would check the EGR valve also known as the exhaust gas recycler valve, this reburns fumes from the engine to improve power and to lower emmisions. very often is the cause. you can clean this with carburetter cleaner and I would recomend you try this before buying another as they are not cheap. What engine isze is this? get back to me and I should be able to tell you the location of the part and how to remove it.

With EGR faults you lose lots of power and the car feels like a lemon, maybe 50 mph tops. its a good indicator if this is how it has been, also lots of black smoke wehn under load.
Hope this helps

Jan 07, 2011 | 1994 Isuzu Trooper

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Died on the way home.srayed gas in carb.fried for sec.any ideas

Sounds like your fuel pump is failing' Turn key on and listen for fuel pump buzzing noise, should cycle for 5 to 10 seconds if you don't hear noise pump is gone.
Check to make sure fuel pump relay is good.

Feb 06, 2010 | 1991 Isuzu Trooper

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