DTC P0150 - Left Front Heated Oxygen Sensor Malfunction: Condition
WARNING: This page is about a different car, the 1997 Mazda Millenia. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set when left front oxygen sensor signal fluctuates at intervals of 2.6 seconds or longer during normal driving conditions. Possible causes are:
- Left front oxygen sensor.
- Exhaust system leakage.