VY Commodore stalling on idle every now & then

[Onassis]

My VY Commodore stalls when I have been driving for a period of time, it stalls when its at Idle but then restarts straight away, please help

I have spent $1600 upto now & holden cannot find what the problem is.

[axemurderer101]

Oxygen sensors maybe

[Damo69]

could be DFI module or CAS crank angle sensor is on the way out??

[colgf]

what about the IAC valve sticky , or the PCV valve sticky , both could need a clean.