Peugeot 407 rpm unstable

Car: Peugeot 407
Variant: 2.0 Auto
Model Year: 2008
dear
I face the problem always, after the car running and when start moving without clicking on the throttle I saw the RPM unstable its decreasing to 500 RPM then going up again to 1000 RPM.

thanks
Posted: Dec 25, 2014 (9 years ago)
it could be something as simple as a dirty throttle butterfly or the auto adaptives may need resetting.
Posted Dec 28, 2014 (9 years ago)

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