Revs up and down on tick over

Car: Audi A4
Year: 1998
Variant: 1.8se

Categories: Running Rough, Starting & Power Loss

revs re up and down on tickover and somtimes stalls.

Problem added: May 1, 2011 (12 years ago)

Points: 17

its probably the idle control sensor,

tommy

Answered May 1, 2011 (12 years ago)

Points: 22

Also check for any air / vacuum pipes off or leaking and inlet manifold .

Answered May 1, 2011 (12 years ago)

Points: 37,684

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