Ford Mustang Computer Limp Mode - Reduced Power

I Have A Ford Mustang V6 Which Had A Crash And The Pcm Was Damaged So I Replaced The Pcm And Programmed 2 Keys The Engine Is Starting Now...

The Car Is Running About 20-29 Lbs Of Fuel Pressure Under A Load It Drops And Goes Into Limp Mode. If You Stop And Restart It Resets Itself...

I Just Recently Bought The Car An The Ower Said The Anit Theft Module Went Out But We Wasn't For Sure. When You Start The Car It Seems To...