00537 (2341), Oxygen Sensor (Right) Control

Vehicle may exhibit incorrect CO emissions measured before 3-way catalyst, increased fuel consumption, Black smoke or spark plug fouling. Check for faulty fuse, insufficient fuel volume in tank (ensure minimum volume is 10 liters), insufficient or excessive fuel pressure, faulty secondary ignition system components, exhaust system leak, faulty oxygen sensor or sticking EVAP control solenoid valve.