P122D
Intake Air Flow Valve Position Sensor Exceeded Learning Limit
P122D is an OBD-II diagnostic trouble code meaning: Intake Air Flow Valve Position Sensor Exceeded Learning Limit. Common causes: air supply valve position sensor malfunction, mechanical failure of the air supply valve. Estimated repair cost: $17–56.
Symptoms
- Unstable engine idling
- Reduced engine power
- Increased fuel consumption
- Check Engine Light Illuminates
- Dips during acceleration
Causes
- Air supply valve position sensor malfunction
- Mechanical failure of the air supply valve
- Problems with sensor wiring or connectors
- Valve dirty or stuck
- Software error in the engine control unit
How to Fix
- Check the condition of the valve position sensor
- Inspect the mechanical part of the air supply valve
- Check the integrity of wiring and connectors
- Clean or replace air supply valve if necessary
- Reset adaptations and carry out the training procedure
Related codes
FAQ
What does the P122D code mean?
P122D is an OBD-II diagnostic trouble code that indicates: Intake Air Flow Valve Position Sensor Exceeded Learning Limit
What causes a P122D error code?
The most common causes of P122D include: Air supply valve position sensor malfunction; Mechanical failure of the air supply valve; Problems with sensor wiring or connectors; Valve dirty or stuck.
How do I fix a P122D diagnostic trouble code?
To fix P122D: Check the condition of the valve position sensor. Inspect the mechanical part of the air supply valve. Check the integrity of wiring and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P122D?
Yes, but get it checked soon
How much does it cost to fix P122D?
The estimated repair cost for P122D is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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