P0300

4CF0 - P0300

Information saved in
DDE

Fault code
4CF0 - P0300

Fault text
DDE: Misfire detection in several cylinders: Number of
detected misfires too high

Fault description
Ignition miss detection on mutiple cylinders. If within a
calculated number of engine crankshaft revolutions
(numbered of processed blocks x number of revolutions per
block: 45 x 15) at least 281 ignition miss events are counted
and miss is detected at more than one cylinder, then the
diagnostic trouble code is logged.

Condition for fault identification
none

Condition for fault memory entry
-None.

Action in service
Check injectors.
If injectors are OK: Examine injector wiring and plug
connections for open or short circuits (other diagnostic
trouble codes logged in ECU?)

Fault effect and breakdown warning
-

Driver information
Warning light:
MIL

Service instruction
none