T8 / P1312 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Fault indicator lamp (for further information see WIS Fault diagnosis, general)
Uneven running and misfiring.
Ionization Signals Implausible, Sooted Sparkplugs
Fault symptom
Fault indicator lamp (for further information see WIS Fault diagnosis, general)
Uneven running and misfiring.
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
Combustion detected in several cylinders simultaneously. Camshaft position can still be synchronised. |
Dependent:
System reaction to a fault:
OK report:
Ignition synchronised with plausible signals from 4 cylinders. |
Fault handling:
(See section Fault handling III, "Other emission-related components and functions" for more information.) |
Diagnostic help
Diagnosis regards:
Electrical fault in connected leads or in ignition coils and CDM. |
Functions in the diagnostic tool related to the fault:
• | Combustion Signal cyl 1+3 |
• | Combustion Signal cyl 2+4 |
• | Camshaft Position Syncronized |
(See also description of readings/activations in diagnostic tool) |