P02EC
Diesel Intake Air Flow A Control System - High Air Flow Detected
Air flow through diesel intake throttle A is higher than the commanded set point — flap leaking past the seat or stuck partly open.
Air flow through diesel intake throttle A is higher than the commanded set point — flap leaking past the seat or stuck partly open.
Common causes
- high
Throttle plate leaks past seat
One of the most commonly reported causes for this code — check this first.
Typical part cost: $90-770
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P02EC mean?
P02EC means "Diesel Intake Air Flow A Control System - High Air Flow Detected". It is a generic OBD-II code that points to a fault in the fuel & air metering (injector circuit).
What are the most common causes of P02EC?
throttle plate leaks past seat — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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