Question about 1999 Isuzu Trooper

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Check engine light on

I was change the motoroil and filter, now the check engine light on
and engine also cut off when what is the problem?

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  • mdshalun May 28, 2009

    ther car not over heating, after i change motoroil, the check engine light some time on some time off and the engine sound sometime un stable(waving)

  • Michael Johnson May 11, 2010

    Is the car over heating? If so replace the thermostat with one that fails in the open position and check your water pump, belts and hoses. Look inside your radiator cap to see if the water is moving once it warms up for say 10 minutes? This is to see if your thermostat is working (opening) properly. Don't install the new thermostat upside down by accident.


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What oil did you put in ? has to be 5/30 fully synthectic or you get problems .

Posted on Jul 05, 2009

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