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Plymouth
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1978
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Trailduster AW100, 7.2L Eng VIN D
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Repair and Diagnosis
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Engine Performance
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System
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Exhaust Gas RECIRCULATION
Exhaust Gas RECIRCULATION
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Description
Operation
Notes
EGR Timer
All Except "M" Models
Coolant Control EGR (CCEGR) Valve
Heavy Duty Emissions
Charge Temperature Switch (Cts)
Light Duty Emissions
Testing
EGR System Operation
EGR Delay System
Trouble Shooting
EGR Valve Stem Does Not Move On System Test
EGR Valve Stem Does Not Move On Test; Okay With External Vacuum Applied
Rough Idle, Slow Idle, Or Stall On Return To Idle
Poor Cold DRIVEABILITY, Rough Idle Or Stalls On Return To Idle
Weak Performance On Wide Open Throttle