P2431
AIR System Air Flow/Pressure Sensor Circuit Range/Performance Bank 1
P2431 is an OBD-II diagnostic trouble code meaning: AIR System Air Flow/Pressure Sensor Circuit Range/Performance Bank 1. Common causes: malfunction of the air system pressure/air flow sensor, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.
Symptoms
- Check Engine Light Is On
- Deterioration of the emission reduction system
- Increased fuel consumption
- Unstable engine operation at idle
- Reduced engine power
Causes
- Malfunction of the AIR system pressure/air flow sensor
- Open or short circuit in the sensor circuit
- Poor contact in sensor connectors
- Mechanical damage to the AIR system (air leaks)
- ECM problems (rare)
How to Fix
- Check the integrity of the wiring harness to the sensor
- Inspect the sensor connectors for corrosion or damage.
- Check the functionality of the pressure/air flow sensor
- Check the tightness of the AIR system for leaks
- If necessary, replace the sensor or repair the wiring
Related codes
Error P2431 by Vehicle Brand
FAQ
What does the P2431 code mean?
P2431 is an OBD-II diagnostic trouble code that indicates: AIR System Air Flow/Pressure Sensor Circuit Range/Performance Bank 1
What causes a P2431 error code?
The most common causes of P2431 include: Malfunction of the AIR system pressure/air flow sensor; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Mechanical damage to the AIR system (air leaks).
How do I fix a P2431 diagnostic trouble code?
To fix P2431: Check the integrity of the wiring harness to the sensor. Inspect the sensor connectors for corrosion or damage.. Check the functionality of the pressure/air flow sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2431?
Yes, but get it checked soon
How much does it cost to fix P2431?
The estimated repair cost for P2431 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat