IDLES ROUGH

1990 GMC C2500

Tiny

a.fleming

December, 17, 2007 AT 6:05 AM

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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