Code 45 - Rich O2 Indication

Fig 1: Flow Chart, Code 45 - Rich Oxygen Sensor Value Indicated

NOTE: If M/C solenoid does not click with ignition ON and TEST terminal grounded, and there is no Code 23 or 54, check for sticking M/C solenoid.

NOTE: If Code 54 is present, go to Chart 54 first.

Fig 2: Flow Chart, Code 45 - Rich Oxygen Sensor Value Indicated