Daytona V6-181 3.0L SOHC VIN 3 FI (1993)
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During a diagnostic check, (activated only during select engine/driving conditions), the PCM tests the entire EGR system for failures.
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If the PCM detects an EGR system failure, the Malfunction Indicator Lamp (MIL), (previously called the Check Engine Lamp), in the
instrument panel will be illuminated, indicating that immediate service is required.
Vacuum Control Solenoid Valve Operation
EGR System Vacuum Connections
Electric EGR Transducer (EET)
NOTE: The EET assembly is a vacuum control solenoid and a backpressure transducer, in one package.
PURPOSE
The PCM controls when the EGR valve can be actuated, through the solenoid portion of the EET.
OPERATION
Ported vacuum from the throttle body, is supplied to the solenoid valve.
The PCM controls the flow of vacuum between the throttle body and the back pressure transducer, (through the solenoid valve ground circuit).
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When the solenoid is energized (grounded), no vacuum is supplied to the transducer.
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When the solenoid is de-energized (not grounded), vacuum is supplied to the transducer.
The solenoid will always be energized (no EGR), under following conditions:
