Hi all I have a idle problem from cold start. Wants to rev a 2k rpm until warm then OK with some hunting on occasions. The AAC is fully adjusted in and still revs high. Has happend since new turbo, plenum, throttle body fit up and yes above 20psi boost on occasions. May it need a clean or new diaphram or even the HKs idle stabilizer. PFC temp/idle settings seem OK.
Thanks