highway stumble

Discussion in 'GM Powertrain' started by Randaroo, Jan 29, 2012.

  1. Randaroo

    Randaroo New Member

    hello all
    k1500 4x4 with the v6, 1998
    starts and idles fine slow speed around the farm and out to the road is all good, accelerates to about 30mph then when i take my foot out of the peddle to cruise into town the engine/transmission stumbles or shunts.
    Its in gear and the miss/stumble is just anoying but could it be some thing developing?
    Oh ya, it accelerates just fine its only when i let off the accelerator.
    Any clues would be apreciated.

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