GM Truck Club Forum banner


  1. TBI 350 Intermittent rough idle/near stall taken out of gear SOLVED(kinda)

    GM Powertrain
    1991 K5 TBI 350 with SM465. One out of five times the idle will seem to fall out when taking it out of gear and coming to a stop. It feels like a misfire. It will correct itself after about 5 seconds, can usually correct it a little quicker by revving. Less commonly, it will do this going...