OBD-II code · Powertrain (generic)
P06FE Cold Start Diesel Intake Air Flow Control Performance
During cold-start of a diesel engine the ECU controls intake airflow (e.g. anti-shudder valve, swirl flaps) to support smooth ignition. The control loop does not deliver the expected airflow - flap stuck or position offset.
Is it safe to drive with P06FE?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyFlap stuck due to soot
Symptoms
- Check engine light on
- Possible limp mode or no-start
- Multiple follow-up faults across modules
- Reset/relearn may be needed after repair
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Likely to fail
- Parts involved
- Intake Air Flow Actuator A, Intake Air Flow Position Sensor
Related codes
- P06FBGlow Plug Control Module 2 Memory Checksum Error
- P06FCGlow Plug Control Module 2 to PCM Communication Circuit
- P06FDGlow Plug Control Module 2 to PCM Communication Range or Performance
- P06FFEconomy Mode Lamp Control Circuit
- P0700Transmission Control System Malfunction
- P0701Transmission Control System Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.