Ford F2TZ-9F483-B Valve Assembly

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Yes, in fuel-injected systems, additional checks include evaluating the Exhaust Valve Regulator (EVR) solenoid and examining the Exhaust Valve Position (EVP) sensor circuit.

The three types are conventional ported vacuum, the integral backpressure valve, and the Electronic EGR (EEGR) system.

To maintain the EGR valve for vehicles with EEGR, you should unplug the electrical connector from the EGR valve position sensor, unscrew the threaded fitting for the external exhaust supply tube (if present), remove the vacuum line and mounting bolts, detach the valve, and replace the gasket. If replacing the EGR valve without the position sensor, transfer the sensor to the new valve with a new O-ring.

The process for replacing the EGR tube is as follows: a) Prior to removal, remove the EGR valve. b) Disconnect the EGR tube fittings. c) Remove the tube. d) Reinstall the tube.

It was discontinued due to the introduction of Electronic Engine Control (EEC) systems and their associated EEGR system.

The self-check function monitors the EGR system during operation and generates Diagnostic Trouble Codes (DTCs) for diagnosis.

To maintain the EVR solenoid, located on the engine-mounted solenoid bracket assembly, you need to detach the battery cable, unplug the sensor harness electrical connector and vacuum hose, and remove the solenoid.

The PFE system relies on downstream pressure for EGR control, while the DPFE system monitors both upstream and downstream pressures for more precise control.