jumping feel and sound

[roque11]

Anybody ever get this? I was waiting at a drive through listening to my car running and then there was this very brief jumping feel and sound. That is the best way I can describe this. Any idea what this could be and if it is anything to be concerned about?

[65comet]

Did your check engine light come on? If so then get the code read at a major auto parts store. If not, it could be a couple hundred different causes. You didn't give the year and engine. There are issues more prevalent depending on which vehicles series it belongs to. I'd first check for vacuum leaks.

[roque11]

No the light didn't come on.

It's a 2000 Taurus with 6 cylinder

[Tinovolpe]

I have a 2001 DOHC that does the exact same thing. I'll be sitting at a light and it'll be purring like a kitten and all of a sudden it will jump slightly and then the rythem of the engine will just change to a slightly rougher idle. No lights, comes off the line just fine, no issues driving. Always worries me, is the car gonna stall, but it doesn't so I just let it go.