Question about 1988 Isuzu Trooper 2 Door

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1988 isuzu trooper 2 is a 4 door vehicle with a double rear door 6 doors in all problem: idle speed at start up and in neutral at a light

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  • brian_alexan Jul 17, 2009

    thanks but never finished

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Hi there,

Here is the common cause of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Good Luck!!

Thanks

Posted on Jul 17, 2009

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1 Answer

Where to find the chassis number in my isuzu 1988 trooper 2 Door


wow in what country? , VIN codes and locations very all over planet earth, in use its like this back in 1988
its on the left side of dash not top, driver (left) door open. stand here and look see it?
on top of dash left near glass edge , it moved in later years, by law.
why did you say chassis, is not a chassis number in usa
its a VIN. by law.
chassis tags are used on all cars outside USA in 1988.
for sure.

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