Emission System Application Chart
Engine 4.3L (262 cid)Fuel System Throttle Body Fuel Injection (TBI)
DEVICES & SYSTEMS
CAT Three Way Catalyst
CEC Computerized Engine Controls
MIL Malfunction Indicator Lamp
EGR [1] Exhaust Gas Recirculation
EVAP Evaporative Emission Control
FR Fuel Pipe Restrictor
OXY Heated Oxygen Sensor
[1][2]PCV Positive Crankcase Ventilation
SPK Ignition Spark Control
TAC Thermostatic Air Cleaner
Remarks:
[1] California models utilize a Linear EGR system. All others are Negative Backpressure systems.