Orange County Chevy Mech

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 86K5TrailBlazer, Aug 21, 2001.

  1. 86K5TrailBlazer

    86K5TrailBlazer 1/2 ton status

    Apr 24, 2001
    Likes Received:
    I need a mechanic to help me out with some vacuum problems. Any recommendations? I am in Mid Orange County,CA. The problem I am having is that I have a bit of vacuum leak that I am pretty sure is coming from the EGR valve. But its been running this way for a few weeks, but last couple of days at part throttle(sp?) the vacuum guage will ocilate within 5-8 inHg if I let off it will go up to 16 and no ocillation. Any help is greatly appreciated. Thank you in advance

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