rough idle with bank 1 and 2 lean codes...help me

[EXLINE]

i know this is a common problem but i didnt know cause its throwing codes could it be the IAC or not...but it has a real rough idle and stalling problem....Thanks

 

[Glacier991]

I'd venture a guess you have a vacuum leak somewhere..... intake manifold, etc...

 

[EXLINE]

yeah i found it...vacum leak...but i have another question my 4wd doesnt work im thinking maybe its my control module because it does nothign when i hit the switch nor when i start the car do the lights come on then shut off

 

[Glacier991]

Try a search on "Shift Motor".. I think you will find your answer.