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Thread: feels like a miss at 1500

  1. #1
    Join Date
    Feb 2007
    Location
    LONG ISLAND,NEW YORK
    Posts
    16

    Default feels like a miss at 1500

    2000 gmc 3500 flatbed.starts ok.turn high idle up. engine has a miss at 1500. new pmd from ss diesel installed yesterday.what would cause this ? turbo working. no smoke.new filters.
    1995 suburban 2500, 4x4, 3.73,ssdiesel cooling upgrade,intake,glowplugs. 14?,000 mi

  2. #2
    Join Date
    Feb 2007
    Location
    Baja California Sur Mexico
    Posts
    2,804

    Default

    I can't hold 1500 no load on my two GMCs, they surge because of the throttle system. Is that under load?
    Grant H.
    1995 6.5 turbo GMC K2500 extra cab 4x4 pickup, PMD under bumper, mechanical wastegate, 228,000 miles, rebuilt engine, 4.10 diff, 16 mpg
    1994 6.5 turbo GMC K2500 4x4 suburban "F" VIN #9 resistor, PMD in the bumper, mechanical waste gate, 226,000 miles, Positrac 3.73 diff, 17 mpg highway.
    1982 4x4 shortbed 6.2 Chev 260,000 miles untouched motor 17 MPG 4.27 diff. Best thing I ever owned, 21 years.

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