REPLACE/REMOVE COMPUTER Questions

I Can Drive The Truck And It Drives Fine. Then I Drive It, It Won't Go Into 2nd Gear. I've Changed Out The Computer, At A Mechanic's...

I Bought This Car Months Ago. When I Got It The First Thing I Noticed Was An Extra Ecu In The Trunk And It Driving A Little Rough (which Is...

Car Was Having Rough Idle, Misfiring. Changed Plugs, Replaced Valve Cover Gaskets, Cadillac Converter And Oxygen Sensor. Still Running Bad....

I Changed Out My Pcm\ Ecm And Now My Truck Won't Turn Over Would That Have To Do With The New Part Having A Chipped Key Or Do I Need To...