Mechanics

IDLES ROUGH

1990 GMC C2500

Engine problem
1990 GMC C2500 V8 Two Wheel Drive Automatic 200000 miles

my truck hesitates on take off but when you accelerate it runs smooth I have cleaned the throttlebody it has a nes fuel pump and filter.I have also cleaned the throttle body I swas thinking the gasket is bad on the manifold or I need too make an adjustmlent or take the catylic converter out.
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A.fleming
December 17, 2007.



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