P02E8
Diesel Intake Air Flow A Position Sensor Circuit Low
Diesel Intake Air Flow A Position Sensor Circuit Low: the signal voltage is below the expected range. Often a short to ground or high resistance in the wiring.
Diesel Intake Air Flow A Position Sensor Circuit Low: the signal voltage is below the expected range. Often a short to ground or high resistance in the wiring.
Common causes
- high
Short to ground
One of the most commonly reported causes for this code — check this first.
Typical part cost: $70-550
- low
Connector pins corroded - high contact resistance
Less common, but worth ruling out after the more likely causes.
Typical part cost: $70-550
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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 P02E8 mean?
P02E8 means "Diesel Intake Air Flow A Position Sensor Circuit Low". 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 P02E8?
short to ground; connector pins corroded - high contact resistance; harness chafing through insulation — 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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