Question about 1995 Isuzu Trooper

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95 Isuzu trooper heitates or rpms drop off after driving about 15 miles or so.If I shut off engine and restart it runs another 10-15 miles and drops off again.

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  • robbianddave Oct 24, 2009

    Its the fuel pump!

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I'm having similar problem with mine, and I think it's possible I got some bad gas. Maybe from an old backwoods gas station95 Isuzu trooper heitates or rpms drop off after - 2.gifwith condensation in their tanks, or maybe condensation as mine hadbeen sitting for weeks at a time recently. I may try to completelydrain every bit of gas, and change the fuel filter, and throw some fueltreatment in when I put new gas in. Gonna check a few other thingsfirst, though.

Posted on Oct 16, 2009

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Posted on Jan 02, 2017

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2 Answers

Where is the fuel cutoff switch on a 2000 isuzu trooper


which engine, ill toss coin, land on v6
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This seems pretty normal. So long as the pressure does not fall while driving, you're good.
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The pressure on the high side is good. On the low side is adequate (idle). You did not say how many miles, but the only way to change this is to rebuild the engine with new bearings and seals. I don't think that's somthing you want to do. Sounds fine for now. Leave it alone.
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Other Auto supply outlets may offer the same service.

Hope this is of some help.
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change your spark plugs......most of the power lost involved is because of using injector cleaners and toooooooo much of it........it ok to use it.....but it will fowl your plugs.......supper easy to change them...Note: make sure you use a spark plug socket...with the rubber insert so you dont keep dropping the plug.......just unplug the black wires one at a time and pull out the coil/plug wire.......and change them......please dont use those crappy champion plugs.....!!

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