1994 GMC VAN ENGINE ROUGH BRAKES HARD PEDEL WONT SHIFT OUT

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Engine Performance problem
1994 GMC Van 6 cyl Two Wheel Drive Automatic 130000 miles

I bought a 1994 vandura, non running replaced relay and fuel pump runs now but rough emmissions smell rich, and no power as if on 3 cylenders but only while in gear or while brake depressed. Wants to die. Also when in park with brake engaged it will not shift from park I have a chilton and a code reader code only stores one code at a time the ecm flashes no code so far and do not want to risk the miles needed to get a code my guess it feels like its not advancing while driving as if timing is bad but when idle its not to bad small mis fire although when I step on brake pedel it sometimes dies

Sunday, February 14th, 2010 AT 1:15 PM

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