Condition For Fault Memory Entry - 1

2B3B - P0307

Information saved in
DME

Fault code
2B3B - P0307

Fault text
Combustion miss with deactivation of Cyl. No. 7

Fault description


Condition for fault identification
Test condition:
Engine runs, no ignition miss, injection is enabled, ignition
is enabled, rpm > K_AUSS_OBD_N_Min and <
K_AUSS_OBD_N_Max relative charge density >
KL_AUSS_OBD_RF_Min(n) no dynamic response, no dual
ignition
Terminal condition: Terminal 15
Voltage condition:
none

Condition for fault memory entry
3.3V in miss window for at least K_AUSS_xyz or for entire
miss window

Action in service
1. Check spark plug and replace as indicated.
2. Run compression check.
3. Inspect cylinders to determine whether coolant and engine
oil are entering.

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