P0151
P0151
Diagnosis information - DME V8 DFI
Oxygen sensor ahead of catalytic converter, bank 2
NOTE: Do not use contact spray on the oxygen sensor's plug connections as this will result in irreparable damage to the lines (blockage of
reference air duct).
NOTE: Do not interchange the oxygen sensor ahead of catalytic converter with the sensor behind the catalytic converter as this will result in
implausible fault entries.
Diagnostic conditions
- Vehicle voltage > 9 V
- Engine idling > 3 seconds
Possible fault causes
- Open circuit in line
- Short circuit to B+
- Short circuit to ground
- Oxygen sensor faulty
Affected contacts on the DME control unit connector
connector [A]:
- Contact 24
- Contact 10
- Contact 23
- Contact 11
Affected contacts on the oxygen sensor connector ahead of catalytic converter, bank 2:
- Contact 1
- Contact 2
- Contact 5
- Contact 6