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Re: need help on a 93 GMC1500
Posted to Technical Discussion Forum on 1/1/2005 1 Reply

Hi Gary,

Does it do it all the time or just under a load? I am assuming that it is all the time.

How is the vacuum at ilde (17-19 would be good) is the needle on the gauge steady? If it is low but steady, make sure you do not have a leaking EGR valve or a ... Login to read more.

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