AHF MKB: Troubleshooting Idle Issues (Solution)

Engine stutters when the vehicle is coasting.

- The engine is misfiring, similar to how it would run with only three cylinders working.
rolls from approximately 20 km/h without being in gear to a complete stop.
- When the vehicle is stationary, the engine returns to its normal, quiet operation.

Cause:
Serial tuning.

Solution:
All attempts at repair should be avoided. In particularly stubborn cases, ...
For any issues, please contact our product support team.

Author: Michael II

Almost always, the amount of fuel injected is "too small," meaning that the engine control unit has difficulty regulating such small quantities.
The fuel injection quantity setting should be adjusted so that, with a warmed-up engine idling without load, the fuel injection quantity reaches approximately 4-6 mg per injection cycle.

The setting can be controlled using VCDS.

See the technical article.

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