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Exhaust Gas RECIRCULATION (EGR) System
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Exhaust Gas RECIRCULATION (EGR) System
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Description
Operation
Ported EGR System
Back Pressure EGR System
Notes
Positive Back Pressure EGR Valve
Negative Transducer Back Pressure EGR Valve
EGR Thermal Control Valve
EGR Thermal Vacuum Switch
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 Types)
EGR Valve Installed (Ported and Negative Back Pressure Types)
EGR Valve Removed (Back Pressure Type Valve Only)
Maintenance
EGR Valve Cleaning
EGR Passage Cleaning