GETTING MY 4AGE 20V FOR SALE TO WORK

All 20V ECU’s are about 20 years old now and there have been lots of reports of leaking capacitors. This can cause the engine to run under suitable (see below).I need a trustworthy engine with adequate ability to go the slow idiots over the freeway. The car is intended to get a day by day driver not for your observe. Which engine do you guys advi