2005 Volvo s40 2.4i stalls when iddling - 2005 Volvo S40

let it idle for a while so the water can boil or evaporate out of where it got in. The warm engine will speed the process.

Do you have a check engine light on? If so, take it to autozone and have them scan the engine codes for free then report back with the engine code. If no check engine light ; I would suspect a fuel pump problem ; because if you have a misfire / those shoot codes back.

Check for any cracked vacuum hose, Throttle clean it Check if you have any place sucking air.

Check the electrical system--distributor cap and plug leads for moisture. Check all wire connectors for water ingress and dry out. If you were driving for some time then the cat converter would be hot and immersion in water such as you describe is the best way to crack the insides and block up the exhaust.

P0091 Fuel Pressure Regulator 1 Control Circuit Low
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ECU chip tunning tool

sounds like it could do with a good tune up.

Wow! What are the exact symptoms? You could buy another car for that. I'll try to help the best I can.

check the map sensor,,unplug it while running to see if it slow down or shut off

go here for vilager team help.

sounds like distributor going.

http://autos.groups.yahoo.com/group/villagerquest/