ECU ENGINE COMPUTER REBUILD REPAIR CAPACITORS for 1989-1993 FORD MUSTANG 5.0L A9P A9L
This page explains the repair of the 1989, 1990, 1991, 1992, 1993 Ford Mustang (Fox Body) Engine Control Unit (ECU)
The common failure is with (3) Radial Electrolytic Capacitors on main PCB. Fixing this device will require basic soldering skills to remove and install new capacitors.
You will need basic soldering skils
Replacement repair capacitors linked here