Cold start idle??

[Magard]

(01-12-2018 )jimeneztrans84 Wrote:  When I cold start my cm2250 it always jumps up from 610 down to 580 untill it reaches 100 coolent temp then i high idle till it gets about 150 before I take off. After truck is warmed up to regular operating temp it doesn't jump from 610 to 580 just stays still smooth idle at 600. Is this normal at cold start idle?

mine jumped around like that before mm. It still does it slightly. Uni told me my turbo wasn’t in good shape. Since then I’ve had more turbo issues, probably the actuator not right. I’m gona be putting a new turbo sooner or later so I just let it warm up at idle then bump it up.