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  1. #1

    Default 1998 Yukon shuddering bogging out up hill

    Hi, my 98 Yukon has 200k on it and everything runs great until I start up a hill. It starts to shudder,and I start loosing speed.
    Any ideas.would be appreciated

  2. #2

    Default

    Not to state the obvious but have you done a can of seafoam or injector cleaner in the tank or brake booster line?

  3. #3

    Default

    when was the last time it had a complete tuneup? fuel filter, spark plugs, wires, air filter

    1995 Silverado 4x4
    6" BDS Suspension Lift-3" Body Lift-Add A Leaf in rear -Trailmaster SSV Shocks-Duel Steering Stabilizer Kit -AirAid Cold air intake-
    4.56 Gears with Detroit Auburn Locker-Pro-Comp Traction Bars with duel shocks-Aluminum Skid Plate Kit-38.5" x 16.5" Mickey Thompson Baja Claws-Constant Dropping fuel gauge

    2005 Yukon XL Jet Power Programmer, Bilstein Shocks, Bilstein rear springs, Helwig Anti-sway bars, EGR Window Visors, EGR Hood Shield, Denali Headlights, Headlight harness upgrade, GE NightHawk Bulbs, White Night Rear lighting system, Russell Braided SS brake lines, PowerStop Brake pads, PowerStop cross drilled and Slotted Rotors, http://www.gmtruckclub.com/forum/sho...5-GMC-Yukon-XL
    2002 Silverado ext cab 2wd (Sold)
    2003 Yukon XL (Totaled)

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