Friday, September 27, 2019

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 640


Test 2: Check self-adaptation of mixture formation.



Test 3: Check component G3/4 (Right O2 sensor, before TWC [KAT]).



Test 4: Possible cause:



- G3/4 (Right O2 sensor, before TWC [KAT])



- Selfadaptation of mixture formation



Affected functions:



- Engine diagnosis



- Exhaust system



1. Check exhaust system for leaks.



Possible cause of fault



- Leakage on catalytic converter at flange connection to exhaust manifold and in area of O2 sensor



Possible remedy



- Check O2 sensor for correct seating, tightening torque and leaktightness.



- Check weld seams on catalytic converter for leaktightness.



End of test



2. Check self-adaptation of mixture formation.



Test sequence



- Check actual value Selfadaptation of mixture formation.



- Carry out the following tests.



Continue with button F2



Warning!Communication with ECU required.



3. Check component G3/4 (Right O2 sensor, before TWC [KAT]).



Warning!Communication with ECU required.



4. No further information available.



0775



The signal of the oxygen sensor upstream of the catalytic converter of the right cylinder bank is shifted towards 'Lean'. (P2195)



Possible cause:



- Check exhaust system for leaks.



Affected functions:



- Power generation



-------------------------------------------------



Test 1: Check exhaust system for leaks.



1. Check exhaust system for leaks.



Warning!Communication with ECU required.



0776



The signal of the oxygen sensor upstream of the catalytic converter of the right cylinder bank is shifted towards 'Rich'. (P2196)

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