Cadillac Seville P Codes (Powertrain)

Where Should I Look First?

I Know These Code Are Telling My Car Is Running Lean, But Every I Check My Obd, They Come Up "history". If I Clear The Codes, They Light Up...

I Get This Code Approx. Every 500 Mi After I Clear Codes. I Understand Its A Tranny Thing. How Much Will This Cost Me? How Much Down Time?...

Car Has New Heads, New Intake And Gaskets, Clean Throttle Body, New Plug Wires And Plugs. It Drives Fine, Idles Rough, There Are No Vacuum...

I Have A Trouble Code Of P0741. I Also Have Limited Financial Resources To Spend On Fixing This Car. Please Can You Tell Me What Part I Will...

I Have Already Replaced The 2 Oxygen Sensors In The Manifold On Each Side The Other Night With Bosch Ones And Im Still Getting That Error...

I Replaced The O2 At The Cat. After 3 Days Code Reappread What Else Should I Look At

I Have A 1994 Cadillac Seville Sts. I Purchased It About W Eek Ago. It Has Been Dying On Me While Parked And Driving. I Hooked Up A Hand...