[Vectra vxr high revs on tick over and changing gear]

Just now, Russ1972 said:

It was the vacuum pipe with the one way valve

Thanks for replying pal

[Vectra vxr high revs on tick over and changing gear]

On 10/1/2021 at 2:51 PM, Vauxhall Owners Club said:

Carbon build up in the throttle housing and may need cleaning out ultrasonically?

It was the vacuum pipe with the one way valve

[Vectra vxr high revs on tick over and changing gear]