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1982
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Cavalier CL, 2D Hatchback, Automatic Trans
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Auxiliary Emission Control Systems
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Exhaust Gas RECIRCULATION Description
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Exhaust Gas RECIRCULATION Description
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Description
Operation
Vacuum Modulated (Ported Vacuum) EGR System
Exhaust Back Pressure Modulated EGR System
Notes
Positive Back Pressure EGR Valve
Negative Transducer Back Pressure EGR Valve
EGR Thermal Control Valve
EGR Thermal Vacuum Switch
EGR Vacuum Control Solenoid
Trouble Shooting
Rough Idle And Stalling
Runs Rough On Light Throttle Poor Part-Throttle Performance
Engine Stalls On Deceleration
Part Throttle Detonation
Engine Starts And Immediately Stalls When Cold
Testing
Functional Tests
EGR Valve Installed (Exc. Ported and Negative Back Pressure Type Valves)
EGR Valve Installed (Ported and Negative Back Pressure Types)
EGR Valve Removed (Positive Back Pressure Type Valve Only)
Maintenance
EGR Valve Cleaning
EGR Passage Cleaning