2A2C - P0174 (DME)

2A2C - P0174

Information saved in
DME

Fault code
2A2C - P0174

Fault text
Mixture control 2

Fault description
System Too Lean (Bank 2)

Condition for fault identification
Test condition:
Lambda control active
Terminal condition: Engine must be running
Voltage condition:
none

Condition for fault memory entry
30 sec., lambda controller pegs in max. 60 sec

Action in service
- Visual inspection of affected components
- Find and repair leaks
- Repair pressure sensors in induction tract
- Check plug-in contacts and electrical wiring in induction
tract
- Melted catalyst on one bank (visual inspection through
sensor fitting)

Fault effect and breakdown warning


Driver information
Warning light:
MIL on in 2nd driving cycle

Service instruction
none