29E0 - P0171 (DME)

29E0 - P0171

Information saved in
DME

Fault code
29E0 - P0171

Fault text
Mixture control

Fault description
System Too Lean (Bank 1)

Condition for fault identification
Test condition:
Mixture adaptation active
Terminal condition: Engine must be running
Voltage condition:
none

Condition for fault memory entry
10 sec. mixture adaptation at travel limit 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