Datatek or Wammers, please help me! I know you guys are good on this subject as boring as it probably is by now!

Hi guys, Recently purchased a 1999 p38 4.6HSE:high5: which by all accounts I am very happy with bar one; “ENGINE DISABLED”:mad:! I would love the pleasure of driving this lovely car more so please please help on the below; Until recently, I had been experiencing the apparently...