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Chevy Truck
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1983
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Blazer Full Size V8-350 5.7L
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Exhaust Gas Recirculation
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Thermal Vacuum Valve
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Locations
Thermal Vacuum Valve: Locations
Fig. 15 Typical EGR/EFE/DS vacuum system. 1983-84 V8 gasoline engines less solenoid control:
