|
2771 - P0133
Information saved in: DME
Fault code: 2771 - P0133
Fault text: Oxygen sensor dynamic diagnosis before catalytic
converter, bank 1
Fault description: O2 Sensor Circuit Slow Response (Bank 1 Sensor
1)
Condition for fault identification
Test condition: Amplitude of oxygen sensor less than diag. value
0.35 (K_LAVK_OBD_DYN_WERT_MAX)
Terminal condition: Engine running - Condition idle or partload
Voltage condition: none
Condition for fault memory entry: none
Action in service:
1. Clear fault memory, oxygen sensor system test
2. Check exhaust system for leaks
3. Replace pre-cat oxygen sensor LSVK B1
Fault effect and breakdown warning: MIL on after engine runs 2x /
possible mild effect on drivability...surge during steady-state
operation
Driver information Warning light: MIL
Service instruction: none
=====
27C7 - P2099
Information saved in: DME
Fault code: 27C7 - P2099
Fault text: Oxygen sensor, adaptation, trim control, bank 2
Fault description: Post Catalyst Fuel Trim System Too Rich (Bank
2)
Condition for fault identification
Test condition: Adaptation value reaches max. limit and hangs in
this position
Terminal condition: Engine running
Voltage condition: none
Condition for fault memory entry: Counter for recognition at
adaptation limit >= (2x) K_LA_TRIM_DIAG_I_AD_MAX_SCHW
Action in service:
1. Check the fuel system and the exhaust system for leaks
2. Check pre-cat and post-cat sensors and replace as indicated
Fault effect and breakdown warning: MIL on after engine runs 2x
Driver information Warning light: MIL
Service instruction: none
|