P01F3
O2 Sensor Circuit High Voltage Bank 1 Sensor 4
P01F3 is an OBD-II diagnostic trouble code meaning: O2 Sensor Circuit High Voltage Bank 1 Sensor 4. Common causes: oxygen sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Reduced catalytic converter efficiency
- Increased fuel consumption
Causes
- Oxygen sensor malfunction
- Open or short circuit in wiring harness
- Contact corrosion
- ECU malfunction (rare)
How to Fix
- Check the wiring harness for damage
- Check sensor contacts for corrosion
- Measure the sensor resistance
- Replace the oxygen sensor if necessary
- Clear error memory and carry out a test drive to confirm that the problem has been resolved
Related codes
Error P01F3 by Vehicle Brand
FAQ
What does the P01F3 code mean?
P01F3 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Circuit High Voltage Bank 1 Sensor 4
What causes a P01F3 error code?
The most common causes of P01F3 include: Oxygen sensor malfunction; Open or short circuit in wiring harness; Contact corrosion; ECU malfunction (rare).
How do I fix a P01F3 diagnostic trouble code?
To fix P01F3: Check the wiring harness for damage. Check sensor contacts for corrosion. Measure the sensor resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P01F3?
Limited driving only, diagnose soon
How much does it cost to fix P01F3?
The estimated repair cost for P01F3 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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