Problems with truck?

By Projectolred
November 19, 2016 in 1988-1999 Chevrolet & GMC C/K GMT400 Platform

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Projectolred

Posted November 19, 2016

Hey, i have a 1993 gmc sierra with 256k on it right now. And it will act like it will barley wanna go past 40 mph and when it does you cant hold a speed at all without the rpms going to 2,000 and sometimes 2,500. And now sometimes when i try to hold a speed itll jump up to 4,000 but wont go anywhere??

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