en 2mn
http://wiki.bavariantechnic.com/index.p ... daptations
If you encounter these fault codes
Check the additive and multiplicative fuel trim mixture adaptations. Determine whether they are in or out of the specified range. Typically, anything greater than 0.03ms or 6-8%, respectively, is out of range.
Perform an air-induction system diagnosis by visually inspecting the intake system for leaks. Then, using a smoke machine, apply smoke to the intake after the mass airflow sensor (MAF) and check for leaks.
After repairs, first reset the ECM via commands and then test-drive the vehicle for at least 20 minutes. Monitor the adaptation values [OMS11]and be sure that the values are starting to move back within the specified range. Once the values are within the appropriate range, you can clear the fault memory of the engine control unit.
Components that typically cause the problem include
- PCV system and connections
- Secondary air one-way valve
- Fuel Pump failure (pressure to low)
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