P0167
O2 Sensor Heater Circuit Bank 2 Sensor 3
P0167 is an OBD-II diagnostic trouble code meaning: O2 Sensor Heater Circuit Bank 2 Sensor 3. Common causes: heater circuit open, short circuit in the circuit. Estimated repair cost: $33–111.
Symptoms
- Check Engine Light Is On
- Decrease in catalyst efficiency
- Difficult cold start
- Slight degradation in fuel economy
Causes
- Heater circuit open
- Short circuit in the circuit
- Oxygen sensor malfunction
- Poor connections in the wiring harness
- Problems with the relay or circuit fuse
How to Fix
- Check the condition of the heater circuit fuse and relay
- Inspect the wiring harness for damage
- Check sensor heater resistance
- Check power and ground circuit
- Replace the oxygen sensor if necessary
- Clear the error and check the system operation
Related codes
Error P0167 by Vehicle Brand
FAQ
What does the P0167 code mean?
P0167 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Heater Circuit Bank 2 Sensor 3
What causes a P0167 error code?
The most common causes of P0167 include: Heater circuit open; Short circuit in the circuit; Oxygen sensor malfunction; Poor connections in the wiring harness.
How do I fix a P0167 diagnostic trouble code?
To fix P0167: Check the condition of the heater circuit fuse and relay. Inspect the wiring harness for damage. Check sensor heater resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0167?
Limited driving only, diagnose soon
How much does it cost to fix P0167?
The estimated repair cost for P0167 is $33–111. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat