Condition For Fault Memory Entry - Spark Duration
2B49 - P0308Information saved in
DME
Fault code
2B49 - P0308
Fault text
Combustion miss with deterioration of emissions in Cyl. No.
8
Fault description
Condition for fault identification
Test condition:
Engine running
Injection enabled
Ignition enabled
Terminal condition: Terminal 15
Voltage condition:
none
Condition for fault memory entry
Spark duration less than K_AUSS_SPARK_TIME_Min or
greater than K_AUSS_SPARK_TIME_Max
Action in service
1. Check spark plugs for wear and replace as indicated.
2. Interchange ignition coil with other coil to localize
malfunction, replace as indicated.
3. Check plug and wiring harness on ignition satellite.
4. Cross change ignition satellite with other unit to localize
problem source, replace as indicated.
Fault effect and breakdown warning
Rough idle / engine rpm limitation displayed / reduced
power / Check Control message / MIL after engine runs 2x
Driver information
Warning light:
No
Service instruction
none