Idle fluctuating

[Mark1971]

When sitting at idle my vans revs go up and down constantly between about 900 to 1000 , when driving it runs ok until I come to rest again then keeps going up and down.Have been having this problem for few days ,then it went away, but has come back isn’t showing any fault codes ,any help appreciated

 

[Kind of Blue]

When sitting at idle my vans revs go up and down constantly between about 900 to 1000 , when driving it runs ok until I come to rest again then keeps going up and down.Have been having this problem for few days ,then it went away, but has come back isn’t showing any fault codes ,any help appreciated

Hello Mark1971 a very good year. Do you think that it is trying to regenerate?

 

[Mark1971]

Hello Mark1971 a very good year. Do you think that it is trying to regenerate?

I’ve had a lot wrk done on van and the dpf has been deleted as had dreaded CFCA engine my van is 2013 sportline