P0145
O2 Sensor Circuit Slow Response Bank 1 Sensor 3
P0145 is an OBD-II diagnostic trouble code meaning: O2 Sensor Circuit Slow Response Bank 1 Sensor 3. Common causes: faulty oxygen sensor, wiring harness damage. Estimated repair cost: $56–167.
Symptoms
- Increased fuel consumption
- Unstable engine operation at idle
- Check engine light comes on
Causes
- Faulty oxygen sensor
- Wiring harness damage
- Poor contact in the sensor connector
- Sensor contamination
- Problems with power or grounding of the sensor circuit
How to Fix
- Check the condition of the oxygen sensor (Visual inspection for damage)
- Check the integrity of the wiring harness and contacts in the connector
- Check the supply voltage and grounding of the sensor circuit
- Replace the oxygen sensor if it is faulty
Related codes
Error P0145 by Vehicle Brand
FAQ
What does the P0145 code mean?
P0145 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Circuit Slow Response Bank 1 Sensor 3
What causes a P0145 error code?
The most common causes of P0145 include: Faulty oxygen sensor; Wiring harness damage; Poor contact in the sensor connector; Sensor contamination.
How do I fix a P0145 diagnostic trouble code?
To fix P0145: Check the condition of the oxygen sensor (Visual inspection for damage). Check the integrity of the wiring harness and contacts in the connector. Check the supply voltage and grounding of the sensor circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0145?
Limited driving only, diagnose soon
How much does it cost to fix P0145?
The estimated repair cost for P0145 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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