Manufacturer Code Charts: 146100

Control deviation is too large.


Possible cause:

- Fuel injection
Affected functions:

- Power generation

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Test 1: Control variation

1. Control variation

Test 1.1: Inspect charge air system for leaks.

Test 1.2: Check component G3/2 (O2 sensor upstream of KAT).

1.1. Inspect charge air system for leaks.
Inspect charge air system for leaks.
Important notes

- The following test sequence has changed.
- Follow the test procedure precisely!
- The test must be performed with the engine oil cap removed.
Communication with ECU required

1.2. Check component G3/2 (O2 sensor upstream of KAT).
Important note:Reset quantity mean value adaptation data after replacing the following components:(Control unit adaptations/Reset quantity mean value adaptation data.)

- G3/2 (O2 sensor upstream of KAT)
- B2/6 (Left hot film mass air flow sensor)
- B2/7 (Right hot film mass air flow sensor)
- B4/6 (Rail pressure sensor)
- Air filter
Communication with ECU required