supermailman
OBS Enthusiast
90 with a 350. New plugs, wires, cap, rotor, o2 sensor, egr valve, egr solenoid, map sensor, ecm coolant temp sensor, rebuilt the tbi, cleaned and flow matched injectors and I'm still getting a code 45. "Running too rich"
I have tested all sensors with a meter. All grounds were cleaned and or fixed. All vacuum lines were checked and or replaced. Truck runs and idlid smooth as silk. What gives? The only sensors I haven't messed with are the knock sensor and idle air control valve. When I rebuilt the tbi, I measured the end of the iac and it was exactly 1 1/8" extended iirc. Any ideas?
I have tested all sensors with a meter. All grounds were cleaned and or fixed. All vacuum lines were checked and or replaced. Truck runs and idlid smooth as silk. What gives? The only sensors I haven't messed with are the knock sensor and idle air control valve. When I rebuilt the tbi, I measured the end of the iac and it was exactly 1 1/8" extended iirc. Any ideas?