Exhaust Gas Recirculation: Description and Operation

Exhaust gas recirculation system

Note:
^ The function/control of the exhaust gas recirculation system is undertaken by Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248- via EGR Vacuum Regulator Solenoid Valve-N18-.
^ Pulsed control makes every conceivable valve position possible.
^ Replace self-locking nuts.
^ Refer to Vacuum hose connection diagram.
^ Refer to Coolant hose connection diagram