P2392
Diesel Intake Air Flow B Control Circuit Low
P2392 is an OBD-II diagnostic trouble code meaning: Diesel Intake Air Flow B Control Circuit Low. Common causes: open or short circuit in control circuit, air flow sensor malfunction. Estimated repair cost: $17–89.
Symptoms
- Reduced engine power
- Increased fuel consumption
- Rough engine idling
- Check Engine Light Illuminates
- Problems starting the engine in cold weather
Causes
- Open or short circuit in control circuit
- Air flow sensor malfunction
- Air control solenoid valve problems
- Corrosion or poor contact in connectors
- Engine control unit malfunction
How to Fix
- Check the integrity of the air flow control circuit
- Test the air flow sensor and its connectors
- Check the operation of the control solenoid valve
- Inspect the wiring harness for damage
- If necessary, replace faulty components
Related codes
Error P2392 by Vehicle Brand
FAQ
What does the P2392 code mean?
P2392 is an OBD-II diagnostic trouble code that indicates: Diesel Intake Air Flow B Control Circuit Low
What causes a P2392 error code?
The most common causes of P2392 include: Open or short circuit in control circuit; Air flow sensor malfunction; Air control solenoid valve problems; Corrosion or poor contact in connectors.
How do I fix a P2392 diagnostic trouble code?
To fix P2392: Check the integrity of the air flow control circuit. Test the air flow sensor and its connectors. Check the operation of the control solenoid valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2392?
Yes, but get it checked soon
How much does it cost to fix P2392?
The estimated repair cost for P2392 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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