Emission Control Systems: Application and ID

Engine Displacement 4.5L (274 cid)
Cylinders [1] V8
Fuel System Multiport Fuel Injection (MFI)

Emission Control Devices and Systems
CAT [2] Three-Way Catalytic Converter
CEC [3] Computerized Engine Controls
EFI Electronic Fuel Injection
EGR [4] Exhaust Gas Recirculation System
EVAP Evaporative Emission Control System
FR Fillpipe Restrictor
HO2S [5] Heated Oxygen Sensor
PCV Positive Crankcase Ventilation System
MIL Malfunction Indicator Lamp
SPK Spark Controls


[1] DOHC with variable cam timing
[2] Four converters. (2 warm-up and 2 main)
[3] Electronic Concentrated Control System (ECCS)
[4] With EGR Control Solenoid and Back-Pressure Transducer (BPT)
[5] Three Wire, heated zirconia type. One for each exhaust manifold.