Escort L4-116 1.9L VIN 9 2-bbl (1986)
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Pressure Feedback Exhaust Sensor: Description and Operation
The Pressure Feedback Electronic (PFE) EGR transducer converts a varying exhaust pressure signal into a proportional analog voltage which is digitized
by the EEC IV processor. The EEC IV processor uses the signal received from the PFE transducer to complete the optimum EGR flow.