Fault Information


Fault Code Description
Diagnosis monitors oxygen-sensor control.
The fault is detected when the fuel/air mixture of cylinder bank 1 is too lean and the adaptation limit (30 %) is exceeded for 50 s.

Possible cause of fault:
- Intake manifold pressure sensor before and after throttle valve defective
- Leak in exhaust system
- Catalytic converter clogged
- Fuel injector defective
Fault Code Conditions
General Conditions Voltage condition:
- System voltage > 10 V
Temperature condition:
- Ambient temperature > -10 °C
Time condition:
- None
Other conditions:
- Engine on
Terminal Condition

Driving Conditions
Fault Time Condition
The fault code is entered when a time interval cannot be specified while certain conditions are met.
Service Plan
- Visual inspection of affected components
- Locate leaks and rectify
- Replace pressure sensors in intake system
- Check plug contacts and electrical lines of pressure sensors in intake system
- Catalytic converter for one cylinder bank burnt out (visually inspect through probe supports)
Fault Impact
Possible noticeable symptoms:
- Engine running
- rough (misfiring,
- rough idling)
Breakdown information:
- None
Warnings
Warning Lights - Emission warning lamp ECE: ON
- Emission warning lamp US: ON
- Electronic engine output reduction ECE: OFF
- Electronic engine output reduction US: OFF
- CC-message: NONE
Control Center Messages
Service Notes
- None