truck bucks hard on highway :/
01-11-2011, 10:22 AM
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truck bucks hard on highway :/
i have a 99 chevy 5.3 and when im on the highway at 70 the truck will randomly buck hard almost like the converter unlocks then locks up again. im not sure what it is that cause this? also when i first start the truuck up of a morning when its cold it doesnt like to idle it surges alot. but once it warms up a little its just fine. any suggestions guys?
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