Emission System Application Chart

Engine 5.7L (350 cid)

Fuel System Throttle Body Fuel Injection (TBI)

DEVICES & SYSTEMS

CAT Three Way Catalyst
CEC Computerized Engine Control
MIL Malfunction Indicator Lamp
EGR [1] Exhaust Gas Recirculation
EVAP Evaporative Emission Control
FR Fuel Pipe Restrictor
OXY [2] Oxygen Sensor
PCV Positive Crankcase Ventilation
DI Distributor Ignition
TAC Thermostatic Air Cleaner

Remarks:

[1] Models under 8500 GVW utilize a Negative Backpressure EGR Valve with Solenoid. Models over 8500 GVW utilize a Port EGR Valve with EVRV Solenoid.

[2] Vehicles equipped with Automatic Transmission 4L60E are equipped with a Heated Oxygen Sensor (HO2S). Manual transmission vehicles are equipped with non-heated Oxygen Sensor (O2S).