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Thermal Vacuum Valve, EGR >
< Negative Back Pressure EGR Valve|Page 1990
C 20 3/4 Ton Pickup 2WD V8-454 7.4L VIN W 4-bbl (1983)
Powertrain Management
Emission Control Systems
Exhaust Gas Recirculation
EGR Valve / Testing and Inspection
Page 1991
Page 1
Fig. 26 Typical EPR valve installation
Powertrain Management
Emission Control Systems
Exhaust Gas Recirculation
EGR Valve / Testing and Inspection
Page 1991
Thermal Vacuum Valve, EGR >
< Negative Back Pressure EGR Valve|Page 1990