1993 chevy k1500.5.7 just replaced engine and have code 43 esc.or sensor fault.i have replaced knock sensor,ing.module,cap,rotor,coil,&ecm.i have run every wire from engine to ecm with a meter all check good. have checked all grounds.timing @0tdc with wire disconected & it advances when reconnected.help please.dont have much hair left.
Dec 12, 2010 at 12:04 AM