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egr ???

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by NoSmog73, Jan 5, 2002.

  1. NoSmog73

    NoSmog73 1/2 ton status

    Sep 28, 2001
    Likes Received:
    I did what the book said (to get the rpms to 2000 and hen pull the vacume line at the valve and if the rpms go up then It (egr) is bad) And that didnt happen so I was happy about that but when I shut off it didnt idle on or diesel like it has been can someone tell me is that still bd (the egr valve) or did I open a new can of worms thank you ahaead of time

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