PB Open Water
ive got a 94 c3500 with a 7.4 tbi , i cant get rid of the dtc 36 code , new dizzy , cap ,rotor , plugs, wires ,iac, idle control solenoid , pick up coil , new gaskets so im fairly sure not a vacuum leak . my scanner says 24x spark fault , trans shift problem , it shifts fine and runs great , no...