SAAB WIS ONLINE

E39 / P050D 00

Read the instructions below then start the fault diagnostic procedure.

Symptom: Malfunction Indicator Lamp Misfiring

  P050D 00


Rough Idle at Cold Start

Fault symptom

Malfunction Indicator Lamp

Misfiring

On-board diagnosis

Type of diagnosis:

The diagnosis runs once per driving cycle.

Enable criteria:

Cold start detected.
Engine running.
Engine speed 550 - 700 rpm.

Fault criteria:

The control module has detected a too large variation in the crankshaft's rotation speed.

Diagnostic help

Functions in the diagnostic tool related to the fault:

Read Values
Current Misfire Cyl. 1
History Misfire Cyl. 1
Current Misfire Cyl. 2
History Misfire Cyl. 2
Current Misfire Cyl. 3
History Misfire Cyl. 3
Current Misfire Cyl. 4
History Misfire Cyl. 4
Cold start detected.
(See also description of readings/activations in diagnostic tool)