GMC Van EGR Valve

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1989 GMC Van Low Vacuume

1989 GMC VAN
I Have Been Told My 89 Gmc Vandura 5.7l Vin K Has About 7-9lbs Of Vacuume. The Shop Suspects A Bad Cam. Replaced Egr, Icm, Plugs,cap Rotor...
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Asked by Yukonrems

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