Hi!

I just came home from my sister's house and after I turned the engine off I kept hearing this small "mmmmmm" "mmmmm" ... I don't even know how to describe it
something like when you left your mobile in a jacket and someone calls you and it vibrates

Anyways, I traced the noise from the rear tire well area
then.... I thought I'd try to disconnect the battery to reset the ecu and see if the noise goes away

BUTTTTTTT it doesn't
I waited a good 10 mins and it's still making that noise

I'm freaking out now... is there a second battery in the s2k or.... something else?

WTH is thatttt noise?

Help pleaseeeeeeeeeeeeee

 

I initially thought the ABS or something like a pump was acting up

but without the battery how can it work?

 

I rechecked it and now it's gone
I reconnected the battery, started the car, no more sound

I need to go somewhere now I hope everything's ok
I'll report back tonight

oh btw, I timed it before and the noise comes every 16-17 seconds
hmmmm

 

Someone stuck a phone under your car to track you with its GPS, and someone is trying to call that phone

 

Tighten your fuel cap.

 

I have the same noise I know what your talking about makes a noise like your describing "mmmm" then pause then again "mmmm", i haven't been able to find out what the noise is but im thinking it might be the CD stacker!

ive been hearing this noise since ive had the car over 2yrs now.

 

It's the CD stacker, it makes that sound when it's trying to eject.

From my experience this mmmhmmm mmmhmmm sound appears when you try to eject the stacker but it refuses to come out.

 

Yep, its your stacker trying to eject.

Solution? Toss it. LOL.

Mine was ok for a while, then it started having that problem.... upgraded to an Alpine stacker and haven't had a problem since.

 

LOL i hope theres no more problems with your mmmmmm mmmmmmm noise hahaha

 

have the same noice, and no longer have the stacker anyway, but she still makes the mmmmm noise after turning her off....

weird... i thought it was my Amp in the back?