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P2080 Diagnostic Trouble Code Discussion for September 2014

Exhaust Gas Temperature Sensor Circuit Performance (Bank 1 Sensor 1)

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Trouble Ticket Help Requests for DTC P2080
Help Request Posted
2006 Mercedes-Benz CLS500 5.0L Poor Idle Quality, Surge, MIL Lamp on VIN: WDDDJ75X76
Need help from you MB gurus: this CLS500 will set these O2 slow response codes after 2 trips. I've replaced both upstream O2 sensors with Bosch OE connector parts and both codes returned. Data stream shows both banks STFT between 0 and -5 and LTFT between -10 ...
September 16, 2014