GMC Yukon Engine Idle Low

Engine Starts Fine But Runs At A Very Low Idle...around 400-500 And Surges. With The Ac On It Does Not Seem To Have Enough Power To Provide...

My Engine Idles At 4 To 5000 Rpm's. It Sometimes Dies. The Mil Light Does Not Come On, And There Are No Pending Codes. When I Press The...

2000 Yukon Denali 5.7 Litre 110k Miles. The Engine Rpm Stays High After Lifting Foot From Gas Pedal While Stopping From Speed Or Just...