P2397
Diesel Intake Air Flow B Position Sensor Range/Performance
P2397 is an OBD-II diagnostic trouble code meaning: Diesel Intake Air Flow B Position Sensor Range/Performance. Common causes: air flow position sensor b malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Reduced engine power
- Check Engine Light Illuminates
- Dips during acceleration
Causes
- Air flow position sensor B malfunction
- Open or short circuit in the sensor circuit
- Sensor contamination
- Problems with the sensor connector
- Engine control unit malfunction
How to Fix
- Check sensor parameters using a scanner
- Visually inspect the sensor and its connector
- Check the sensor circuit for open circuit and short circuit
- Clean or replace sensor if necessary
- Check and, if necessary, replace the engine control unit
Related codes
Error P2397 by Vehicle Brand
FAQ
What does the P2397 code mean?
P2397 is an OBD-II diagnostic trouble code that indicates: Diesel Intake Air Flow B Position Sensor Range/Performance
What causes a P2397 error code?
The most common causes of P2397 include: Air flow position sensor B malfunction; Open or short circuit in the sensor circuit; Sensor contamination; Problems with the sensor connector.
How do I fix a P2397 diagnostic trouble code?
To fix P2397: Check sensor parameters using a scanner. Visually inspect the sensor and its connector. Check the sensor circuit for open circuit and short circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2397?
Yes, but get it checked soon
How much does it cost to fix P2397?
The estimated repair cost for P2397 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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