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Hello my name is ***** ***** I will assist you. The problem seems to be coming from the IAC valve. This controls the fuel / air mixture that the engine needs. It looks like te motor of the IAC is not setting the air / fuel mixture when engine is hot thus not idling. If this fails it will give a 2 beep min alarm. Ideally at this stage you get the engine diagnosed by a diagnostic tool to be 100% sure that the IAC valve is the fault prior to replacing it.
If you need further assistance or have further questions let me know.
Did you manage to get the engine diagnosed, do you require further assistance?
Ok symptoms seem to be that of he IAC valve. Replace it and let me know.
did you get the alarm again? If yes then i suggest you get the engine checked using a diagnostic tool as otherwise you will keep on guessing sensor by sensor. The symptoms were those of an IAC valve but it could be other sensors the problem.
Perfect!! If you require further assistance let me know.