I am helping work on a Sand Rail that has a motor and wiring harness from a Shelby lancer it runs fine for a second and then goes super rich and rough and most the time dies at idle, it goes from no Fault codes when running fine to 7 when running rough. the OTC scan tool also often looses connection so i am guessing a Bad ECU / power module here are the codes i get
11 No ignition reference signal detected during cranking24* Throttle position sensor over 4.96V (SEE NOTE #3)
31 Bad evaporator purge solenoid circuit or driver
35 Cooling fan relay circuit open or shorted
42 Fuel pump relay control circuit
46* Battery voltage too high during charging or charging system voltage too low
53 Logic module internal problem
Anyone had experience with 53 before? is it an bad LM or could it be a wiring issue? or a Power module? I plan on just swapping it to test and hopefully it will run better but my questions are with some of the other codes with the relay codes i once also saw a boost solenoid code too, will any of those will cause running issues? meaning should i try to wire back in some solenoids or resistors because the sand rail doesnt have any.