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Re: 98 5.7 gmc stumbles Repaired
I changed the old Napa EGR valve with OEQ Valve and the hesitation is gone. the EGR code did not come back yet. We will see how things react this weekend. so far so good.
there was a burn mark on the old gasket between the two ports so there was a leak between the two port holes. the NAPA EGR valve was new last fall.
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