Condition For Fault ID - 2

2B3B - P0307

Information saved in
DME

Fault code
2B3B - P0307

Fault text
Misfire with cutoff, cyl. 7

Fault description
Cylinder 7 Misfire Detected

Condition for fault identification
Test condition:
Spark duration greater than
K_AUSS_SPARK_TIME_MAX
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 fault
2. Exchange ignition coil with another coil to localize fault,
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, EML, CC message, backup program

Service instruction
none