P014A

273B - P014A

Information saved in
DME

Fault code
273B - P014A

Fault text
Oxygen sensor vibration check behind catalytic converter,
bank 2

Fault description
O2 Sensor Delayed Response - Rich to Lean (Bank 2 Sensor 2)

Condition for fault identification
Test condition:
* Determine whether oxygen sensor voltage remains above 649
mV (K_LANK_OBD_S_SA_US)
* Fault after 2
(K_LANK_OBD_S_CNT)/K_LANK_OBD_S_AUTOM_CNT
attempts
Terminal condition: Engine running
Voltage condition:
none

Condition for fault memory entry
Time K_LANK_OBD_S_SA_T (3s) after SA
for K_LANK_OBD_S_CNT (2x)
/K_LANK_OBD_S_AUTOM_CNT (3x) tries

Action in service
1. Check exhaust system for leaks
2. If OK, replace post-cat oxygen sensor LSNK B2

Fault effect and breakdown warning
MIL on after engine runs 2x

Driver information
Warning light:
MIL

Service instruction
none