Question about 1998 GMC Jimmy

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Jimmy is cutting out around 20 mph and around 60/70 mph??

The O2 sensor was changed first; then the plugs and wires were checked; it seems to be burning through the gas since this has started

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  • jaredanielle Jul 07, 2009

    EGR was already changed.

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If that doesnt work i would check the mass airflow sensor

Posted on Jul 14, 2009

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A common problem with these vehicles is the egr valve any mechanic with a brain should have told you or checked it.If you can get it out yourself you might just need to clean the carbon deposits out.This valve lets exhaust back into the intake and if it gets stuck open it will let to much in causing it to bog down or soun lik it is cutting out.

Posted on Jul 03, 2009

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Change fule filter 9 .00 $

Posted on Oct 27, 2013

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