i need to find out what ecu my rst has got ofab or ofac where is it located and how do i tell what one it is any help would be appreciated

 

its located in the ns footwell under the dash hopefully you will be able to see the ford label on it. i think if your car is pre feb 91 it will be an ofab if its after it will be an ofac.have fun checking hope this helps m8

 

cheers bud

 

no probs m8 i feel a chip is on its way then

 

yeah for a ofac but i think mines ofab goin by wat you just said

 

whats the last 2 letters of your chassis no b4 the numbers?

 

il go check

 

LG

 

shes built 12/90 m8

 

the chips no good for me then

 

cheers for the help

 

You can tell just by looking at the map sensor used The car will use a Weber type MAP sensor on OFAB and uses Ford's own MAP sensor on OFAC.