P0144

Symptoms

• Increased fuel consumption
• Unstable engine operation
• Check Engine Light Is On
• Reduced engine power

Causes

• Bank 1 Sensor 3 Oxygen Sensor Malfunction
• Damage to the wiring or sensor connector
• Sensor circuit grounding problems
• Short circuit in the sensor circuit
• ECU malfunction

How to Fix

1. Check the integrity of the wiring and sensor connector
2. Check the resistance and voltage in the sensor circuit
3. Check sensor circuit grounding
4. Replace Bank 1 Sensor 3 oxygen sensor if necessary
5. Clear error memory and check if P0144 returns

Related codes

Error P0144 by Vehicle Brand