OBD-II code · Powertrain (generic)
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.
Is it safe to drive with P02E8?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyShort to ground
- Less likelyConnector pins corroded - high contact resistance
- Less likelyHarness chafing through insulation
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2.5 h
- Emissions test
- Likely to fail
- Parts involved
- Diesel Intake Throttle Position Sensor
Related codes
- P02E6Diesel Intake Air Flow A Position Sensor Circuit
- P2398Diesel Intake Air Flow B Position Sensor Circuit Low
- P02E5Diesel Intake Air Flow A Control Stuck Closed
- P02E7Diesel Intake Air Flow A Position Sensor Circuit Range/Performance
- P02E9Diesel Intake Air Flow A Position Sensor Circuit High
- P02EADiesel Intake Air Flow A Position Sensor Circuit Intermittent/Erratic
- P02EBDiesel Intake Air Flow A Control Motor Current Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.