XD, XFe, IRL Fuel Control

Cosworth redesigned their fuel control for the XD.  This new control has been used on at least the XD, XF, XFe and IRL engines and represents a very nice piece of work.  The automated boost control made a tremendous difference in torque delivery going from the XB with its fuel control to the XD with the new fuel control.  No lift to shift was a nice addition as well as selectable torque maps for controlling torque in the lower gears.  The fuel map switch can also be configured so that one of the locations is a pickle setting to let you flush all the injectors with gas at the end of a weekend.

The XD controls do suffer from dead backup batteries on about an 18 month basis.  The problem manifests itself with a ECU that will not report TPS and, if memory serves me, will not start the car.  Luckily, it is a standard battery that is easy to change with a little care.

More to follow on just how but the pictures below will give you a good idea of what you are up against.