Chevrolet Express Engine Idle Rough

Hi I Have A 2003 Chevy Express 3500 With 6.0 Motor That Has 127,000 Mi. The Motor Idles Rough And Slow On Hot Start Up. It Also...

Back Fires Into The Breather Tube, Have To Spray Starting Fluid For Ignition To Start, Sounds Like It Runs Very Very Rough, Have To Work...

I Have A '01 Express 3500 5.7l With 300,000 Miles I Had A Hard Start Problem That Was Diagnosed As The Fuel Meter Body Defective. I Changed...