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    1993 k3500 7.4 stock setup has erratic idle, cold starts runs terrible, clears up som at operating temp.

    Hey guys I'm at my wits end here... I've got a 1993 k3500extended cab dually 4x4 with the 7.4 and 4l80e. When I first bought the truck it had been sitting for a long time and the fuel pump was bad, so I just automatically replaced the tank fuel pump and fuel filter and flushed all the lines...
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