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Uneven idling or low idling speed

Symptom: uneven idling or low idling speed.

Uneven idling or low idling speed

Fault symptoms

uneven idling or low idling speed.

Conditions

The following conditions apply for this fault symptom:


• No diagnostic trouble codes in the car with the symptom description in question.


Diagnostic help



Check the wiring

Note

Jiggle the leads and in-line connectors at various points and in different directions to detect any intermittent breaks or short circuits in the wiring. Observe the multimeter, test lamp or diagnostic tool while doing this.