CALIF 5.0L CFI EEC-III: Description
NOTE:
To identify EEC System, EEC-III has ignition module mounted to fender apron. The EEC-IV has ignition module mounted on distributor housing.
The EEC system consists of an Electronic Control Assembly (ECA), several sensors located on the engine or in the various engine systems, special actuators governed by the ECA, and various connecting electrical and vacuum lines. This system adjusts the engine to the best settings for various conditions of load, speed, temperature and altitude by controlling the following functions:
- Ignition Timing
- Air/Fuel Ratio
- Engine Speed At Idle
- Exhaust Gas Recirculation (EGR) Flow Rate
- Secondary (Thermactor) Air Flow Rate
- Fuel Evaporation Canister Purging