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Re: 1999 Tahoe 5.7 P0300 - #5 and #6 Dead
Posted to Technical Discussion Forum on 5/6/2012

You're right of course, I guess, I've owned both the 95 and the 96 and I know the 95 had regulator problems with both the regulator and the plasic line as well. Until the advent of the 5.3 we were doing at least one or two of the manifold gaskets a week, they'... Login to read more.