Symptoms of P0144 OBD II Trouble Code
- MIL (Malfunction Indicator Lamp) on
- Engine loses power and misses intermittently
- May exhibit loss of fuel efficiency
Common Causes of P0144 OBD II Trouble Code
- Bad o2 sensor (Bank 1 Sensor 3)
- Wiring in contact with exhaust components
- Engine running rich (If other codes are present)
- Holes in exhaust near Bank 1 Sensor 3
- Short to voltage on signal circuit
- Bad PCM