Diesel Intake Air Flow A Position Sensor Circuit Low

Where it lives

For P02E8, the sensor sits on the circuit this code reports. The description of P02E8 reports a fault at the sensor.

Check these first

• A short to ground in the sensor circuit
• Corrosion at the sensor connector
• A failed flap position sensor
• Low battery voltage
• A damaged sensor harness

What to do next

1. Read the flap position sensor on a scan tool
2. Check the sensor circuit for a short to ground
3. Inspect the connector and harness for corrosion
4. Measure battery voltage and the charging system
5. Replace the position sensor if the signal stays low
6. Clear the code and retest

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