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1989
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Topaz LS, 2.3 S
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EGR System
EGR System
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Description
Operation
EGR Valves
Backpressure Variable Transducer (BVT) EGR System (1.9L MPFI)
Electronic (EEGR) EGR Valve
External Transducer EGR Valve & Integral Backpressure (IBP) Transducer EGR Valve
Ported EGR Valve
Pressure Feedback Electronic (PFE) EGR Valve
EGR System Components
Backpressure Variable Transducer (BVT)
EGR Load Control (WOT) Valve
EGR Solenoid Vacuum Valve Assembly
EGR Vacuum Control Valve Filter
EGR Valve Position Sensor (EVP)
EGR Vacuum Regulator
Pressure Feedback Electronic EGR Transducer
Temperature Vacuum Switch (TVS)
Trouble Shooting
Engine Stalls On Deceleration (Hot Or Cold)
Rough Idle (Hot Or Cold)
Poor Part Throttle Performance (Runs Rough, Surges, Hesitates)
Spark Knock Or Ping
Engine Stalls At Idle (Cold)
Engine Stalls At Idle (Hot)
Very Low Power At Full Throttle
Poor Fuel Economy
Testing
EGR Valves
Backpressure Variable Transducer (BVT) EGR System
Electronic (EEGR) EGR Valve
External Backpressure Transducer EGR Valve & Integral Backpressure (IBP) Transducer EGR Valve
Ported EGR Valve
Pressure Feedback Electronic (PFE) EGR Valve
System Components
EGR Load Control (WOT) Valve
EGR Solenoid Vacuum Valve Assembly
EGR Valve Position Sensor (EVP)
Pressure Feedback Electronic (PFE) EGR Transducer
Temperature Vacuum Switch (TVS)