LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
BMW
>>
2006
>>
330i Standard
>>
Repair and Diagnosis (Single Page)
>>
Engine Performance
>>
System
>>
Diagnostic Trouble Codes With Diagnostics (N52)
>>
MSV70 Engine Operating System DTCS
>>
DTC P3027, BMW Hex Code 0x2CA7, BMW Code 11431: O2 Sensor Operating Temperature not Reached (Bank 2 Sensor 1) (MAX)
>>
Possible Fault Causes
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Possible Fault Causes
O2 sensor heater aging. Excessive contact resistance. Open wire at Pin VN.