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1994 Isuzu Trooper weird problem

chelinochelino Posts: 2
edited April 2014 in Isuzu
i have a trooper with 220k miles will start and run fine but sometimes when on acceleration the rpm needle goes down and up. and engine light come on. then it goes back to normal.

replace fuel pump and filter
new spark plugs and wires
check module good


  • well my friend lend me scanner to check the sensors. everything came out good.
    so still i change the crackshaft sensor not expense. i drove around still did the same thing. so my friend told me you know what it got to be the took to check the module again still told it was good so bought the new any ways. so put the new one i drove it seem that was the problem
  • tidestertidester Posts: 10,059
    I'm glad you got that fixed!

    tidester, host
    SUVs and Smart Shopper
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