C280 idling

[jun]

when stopped car... rpm unstable...
changed air flow sensor... still hav that problem
computer checked ...no code...
hav some leaking air sound in the engine bay...

what is MOT sensor??!

thanks alot
this problem bothers me for ages..
no garage know wats going on.. ><!!!!!

[jnenad16]

sounds like you have a vacuum leak. it could be a stuck open MOT(regeneration valve), but it could be a number of other vacuum leaks. check all the vacuum lines and connections, the lines might be cracked or the connectors might have been torn or slipped off.

nenad

[jun]

thx...imma go n check noW ~ sigh !!! ><!!!