P01F4
O2 Sensor Circuit Slow Response Bank 1 Sensor 4
P01F4 is an OBD-II diagnostic trouble code meaning: O2 Sensor Circuit Slow Response Bank 1 Sensor 4. Common causes: bank 1 sensor 4 oxygen sensor malfunction, damage to the wiring harness to the sensor. Estimated repair cost: $56–167.
Symptoms
- Increased fuel consumption
- Unstable engine operation at idle
- Reduced engine power
- Check Engine Light Is On
Causes
- Bank 1 Sensor 4 Oxygen Sensor Malfunction
- Damage to the wiring harness to the sensor
- Poor contact in the sensor circuit
- Sensor contamination
- Problems with the catalytic converter
How to Fix
- Check the status of the oxygen sensor Bank 1 Sensor 4
- Inspect the wiring harness and connectors for damage.
- Clean or replace the oxygen sensor
- Check the operation of the catalytic converter
- Reset the error and check if it returns
Related codes
Error P01F4 by Vehicle Brand
FAQ
What does the P01F4 code mean?
P01F4 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Circuit Slow Response Bank 1 Sensor 4
What causes a P01F4 error code?
The most common causes of P01F4 include: Bank 1 Sensor 4 Oxygen Sensor Malfunction; Damage to the wiring harness to the sensor; Poor contact in the sensor circuit; Sensor contamination.
How do I fix a P01F4 diagnostic trouble code?
To fix P01F4: Check the status of the oxygen sensor Bank 1 Sensor 4. Inspect the wiring harness and connectors for damage.. Clean or replace the oxygen sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P01F4?
Limited driving only, diagnose soon
How much does it cost to fix P01F4?
The estimated repair cost for P01F4 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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