Thread: 1994 gmc k2500 5.7 tbi \auto \111k
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Old 02-27-2007, 12:07 PM
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Re: 1994 gmc k2500 5.7 tbi \auto \111k
I could be totally wrong but I thought I read a while back, a bad booster vacuum check valve can cause some probs. I see you replaced the lines.
just another thought. Good Luck
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