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1995 Isuzu Pickup Question: The problems I'm having with my truck

 

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no screen name, 4 Cylinder, Colonial Beach, VA, April 24, 2009, 21:31
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The truck backfires when let up off the gas?
Motor run up and down when idle.
Foul smell coming from tail pipe?

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, April 26, 2009, 22:30
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     Master

    Back firing in the exhaust on over run sounds like excess fuel being present in the exhaust. If there is unburned fuel in the exhaust then the catalytic converter works exceptionally hard causing it to smell badly and will eventually damage the catalytic converter. Have the Pickup checked out as soon as possible.

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