Mechanics

GMC C2500 ENGINE PROBLEM

1988 GMC C2500

Engine problem
1988 GMC C2500 V8 Four Wheel Drive Automatic 185000 miles

It has factory fuel injection but idles really high, there are no adjustment screws like on a carburater. How do I turn it down or fix it?
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Gone Dirty
February 2, 2008.



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