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Home >> BMW >> 2013 >> 760Li >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis (N74) - 760LI - DTC P11EC - P1414 (BMW DTC 12A202 - 170301) >> DTC P3027: BMW DTC 12B601; DME -- O2 Sensor Temperature Measurement Operating Temperature Not Reached (Bank 2 Sensor 1) >> Fault description

Fault description

Diagnosis monitors the upper and lower temperature limit of the oxygen sensor 2 before catalytic converter.

The fault is detected when the temperature is less than 655 °C or greater than 1000 °C and OC diagnosis finds no fault.

Possible cause of fault:

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