vt v6 s/c

[Betsy]

i was just wandering why my calais revs go up and down a little when i take my foot off the accelerator after driving at a set speed? thanks

[Cashman_309]

It's called lean cruise.

Its normal.

There's a lot of threads about this.

[Betsy]

its normal for it idle then rev to 2 grand over and over

[Tree cutter]

Mine has always done it too. When i put a new fuel filter and spark plugs in mine, the surging was nowhere near as bad but you can still notice it when coasting down hills.