Condition For Fault ID - 1

2B48 - P0307

Information saved in
DME

Fault code
2B48 - P0307

Fault text
Misfire impairing exhaust emission, cyl. 7

Fault description
Cylinder 7 Misfire Detected

Condition for fault identification
Test condition:
No spark detected in ionic current signal
Terminal condition: Terminal 15
Voltage condition:
none

Condition for fault memory entry
Varies according to load and rpm

Action in service
1. Check spark plug, interchange with other plug or replace
to localize malfunction.
2. Interchange ignition coil with other coil to localize
malfunction, replace as indicated.
3. Check plug and wiring harness to ignition coil.

Fault effect and breakdown warning
CC message
Engine speed limited
Reduced power
MIL after engine runs 2x
Rough idle

Driver information
Warning light:
MIL

Service instruction
none