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Emission Control Systems: Application and ID

Engine 4.9L (300 cid)

Fuel System Port Fuel Injection (PFI)

DEVICES & SYSTEMS

CAT Three Way Catalyst
CEC Computerized Engine Control
MIL Maintenance Indicator Light (Check Engine Light)
EVAP Evaporative Emission Control
FR Fuel Pipe Restrictor
OXY [1] Oxygen Sensor
[1][2]PCV Positive Crankcase Ventilation
SPK Electronic Spark Timing

Remarks:

[1] Two Oxygen Sensors