Close
Q:

computers on 1999 Mercury Mountaineer

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
where is the PCM compuer located and is that differant then the engine control compuuter
(1) Answer
They are the same you either have one or the other, for your car is in the right rear of the engine bay be sure to disconnect the battery terminals