1992 GMC Truck


Old 09-28-08, 11:52 AM
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1992 GMC Truck

I have a 1992 GMC pick up and after removing a propane system when I start the truck it runs rough for a few seconds and the it smooths out and the Service Engine Light comes on. The truck seems to run fine as long as the Service Engine Light is on. Any ideas?
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Old 09-28-08, 01:35 PM
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get the trouble codes read and report back here, most parts houses will read for free.

life begins when the kids leave home and the dog dies

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