P2393
Diesel Intake Air Flow B Control Circuit High
P2393 is an OBD-II diagnostic trouble code meaning: Diesel Intake Air Flow B Control Circuit High. Common causes: air flow sensor malfunction, open or short circuit in control circuit. Estimated repair cost: $17–56.
Symptoms
- Deterioration of engine performance
- Increased fuel consumption
- Increased emissions of harmful substances
- Check Engine Light Illuminates
- Reduced engine power
Causes
- Air flow sensor malfunction
- Open or short circuit in control circuit
- Damage to connectors or corrosion of contacts
- Engine control unit malfunction
- Mechanical damage to intake system elements
How to Fix
- Check the integrity of the control circuit
- Inspect connectors and contacts for damage
- Check the functionality of the air flow sensor
- If necessary, replace the sensor or repair the wiring
- Test the system after repair
Related codes
Error P2393 by Vehicle Brand
FAQ
What does the P2393 code mean?
P2393 is an OBD-II diagnostic trouble code that indicates: Diesel Intake Air Flow B Control Circuit High
What causes a P2393 error code?
The most common causes of P2393 include: Air flow sensor malfunction; Open or short circuit in control circuit; Damage to connectors or corrosion of contacts; Engine control unit malfunction.
How do I fix a P2393 diagnostic trouble code?
To fix P2393: Check the integrity of the control circuit. Inspect connectors and contacts for damage. Check the functionality of the air flow sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2393?
Yes, but get it checked soon
How much does it cost to fix P2393?
The estimated repair cost for P2393 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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