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2005 Mercedes-Benz C320 3.2L MIL Lamp on
Posted to European Driveability on 10/18/2018 11 Replies

We have an odd one here and hoping a benz tech can shed some light. Fuel trims -35 rich both banks. Resetting fuel adaptions causes the front 02 sensors to peg at over 800 mv and short term trims go to -25 then long term trims after that go -20 -25. Normal...

11 Replies Received (View Replies)

  Related Documents & Media  2005 Mercedes-Benz C320

 
Message Closed w/Summary

car Vehicle Data

2005 Mercedes-Benz C320

VIN WDBRN64J75
Engine3.2 L / 6 cyl / FLEX
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
Message Closed w/Summary

car Vehicle Data

2005 Mercedes-Benz C320

VIN WDBRN64J75
Engine3.2 L / 6 cyl / FLEX
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)