GMC Jimmy Idle Air Control

Well After 2 Months Of Putting A New Iac Its Says My Iac Is Bad. Code Was Cleared And Then Came Back. When I Start The Car For The First...

Hello, My Question Is ,my Jimmy Has Had A New Computer Put In Plus Tps,map,iac Valve Fuel Pump Sparkplugs, Cap Rotor And Sparkplug Wires....

I Put Seafoam Engine Clean Through The Intake, Was Running Good Before The Seafoam Now It Idles Fine. Try To Put It Into Reverse Or Drive...

When I Was Told To Find My Iacv And Egr And Clean It Out, What Is That And Where Is That Located? Can I Clean It Myself Or Do I Have To Take...