Uneven or low idling speed

/ 9-3 (9400) / 2001 / 2. Engine / Trionic T7 / Fault diagnosis, fault symptoms / Uneven or low idling speed

Fault symptoms

Poor driveability, loss of performance, jerkiness or delay when accelerator depressed

Conditions

The following condition apply for the fault symptom concerned:

•	No diagnostic trouble codes for this symptom description.

Diagnostic help

See Leak test, fuel pressure, flow capacity and adaptation procedure

Checking the wiring

Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Observe the multimeter, diagnostic tool or test lamp during the check.

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