[1.6 e-THP] Engine RPM problem.

[hiss_fealty]

Hello!
I have been leasing a Peugeot for 2 months, and in fact the car 1.5 months stood in the garage.
First, it turned out that the car had a defective valve train - it was replaced by the seller.
Now there was a problem with wavy revs. It manifests itself as a rev ripple visible on the recordings, along with a slight jerking of the engine while driving. The plugs and coils are in working order. There is no error of any kind in diagbox and all live values are correct.
Please help me, what should i check to fix this issue. Here is a link to the wideo https://streamable.com/od821z.

[xantia_v6]

There is a procedure in diagbox for reinitialising the learned idle parameters, which entails starting the engine from cold and leaving it idling until the engine reaches normal operating temperature. I found that this did significantly improve the response at small throttle openings. I would also check that the throttle 0% position is calibrated correctly.

[hiss_fealty]

There is a procedure in diagbox for reinitialising the learned idle parameters, which entails starting the engine from cold and leaving it idling until the engine reaches normal operating temperature. I found that this did significantly improve the response at small throttle openings. I would also check that the throttle 0% position is calibrated correctly.

Are you able to tell me how I can run this procedure in Diagbox? I don't know which option to choose.

[xantia_v6]

I will check next time I have Diagbox open.


Meanwhile check the "air quantity" to ensure that the reference and measured values match.