P02E3
Diesel Intake Air Flow A Control Circuit High
P02E3 is an OBD-II diagnostic trouble code meaning: Diesel Intake Air Flow A Control Circuit High. Common causes: open or short circuit in wiring harness, air flow control solenoid valve malfunction. Estimated repair cost: $56–167.
Symptoms
- Loss of engine power
- Increased fuel consumption
- Rough idling
- Check Engine Light Illuminates
Causes
- Open or short circuit in wiring harness
- Air flow control solenoid valve malfunction
- ECU software error
- Oxidation of contacts in circuit connectors
- Mechanical damage to the intake manifold flaps
- Damper position sensor malfunction
How to Fix
- Diagnose the control circuit using a multimeter
- Check the resistance and functionality of the control solenoid
- Inspect the condition of the wiring harness for damage
- Clean or replace intake manifold flaps if necessary
- Test sensors associated with the system
- Update the ECU firmware if a software error is suspected
Related codes
Error P02E3 by Vehicle Brand
FAQ
What does the P02E3 code mean?
P02E3 is an OBD-II diagnostic trouble code that indicates: Diesel Intake Air Flow A Control Circuit High
What causes a P02E3 error code?
The most common causes of P02E3 include: Open or short circuit in wiring harness; Air flow control solenoid valve malfunction; ECU software error; Oxidation of contacts in circuit connectors.
How do I fix a P02E3 diagnostic trouble code?
To fix P02E3: Diagnose the control circuit using a multimeter. Check the resistance and functionality of the control solenoid. Inspect the condition of the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P02E3?
Limited driving only, diagnose soon
How much does it cost to fix P02E3?
The estimated repair cost for P02E3 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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