P2AF1
Intake Air O2 Sensor Negative Current Control Circuit High Bank 2
P2AF1 is an OBD-II diagnostic trouble code meaning: Intake Air O2 Sensor Negative Current Control Circuit High Bank 2. Common causes: malfunction of the oxygen sensor in the intake manifold, open or short circuit in wiring. Estimated repair cost: $33–89.
Symptoms
- Increased fuel consumption
- Unstable engine operation
- Check Engine Light Illuminates
- Reduced engine power
- Dips during acceleration
Causes
- Malfunction of the oxygen sensor in the intake manifold
- Open or short circuit in wiring
- Poor contact in connectors
- Engine control module malfunction
- Sensor contact corrosion
How to Fix
- Check the integrity of the wiring to the sensor
- Check sensor connectors and contacts
- Check sensor resistance
- Replace the oxygen sensor if necessary
- Check the operation of the engine control module
Related codes
Error P2AF1 by Vehicle Brand
FAQ
What does the P2AF1 code mean?
P2AF1 is an OBD-II diagnostic trouble code that indicates: Intake Air O2 Sensor Negative Current Control Circuit High Bank 2
What causes a P2AF1 error code?
The most common causes of P2AF1 include: Malfunction of the oxygen sensor in the intake manifold; Open or short circuit in wiring; Poor contact in connectors; Engine control module malfunction.
How do I fix a P2AF1 diagnostic trouble code?
To fix P2AF1: Check the integrity of the wiring to the sensor. Check sensor connectors and contacts. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2AF1?
Yes, but get it checked soon
How much does it cost to fix P2AF1?
The estimated repair cost for P2AF1 is $33–89. Actual cost depends on your vehicle, location, and labor rates.
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