Exhaust Gas Recirculation: Description and Operation

Exhaust Gas Recirculation (EGR) system, overview

Note:
^ The function/control of the Exhaust Gas Recirculation (EGR) system is managed by the Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248- via the EGR Vacuum Regulator solenoid valve -N18-.
^ The cone shaped plunger in the mechanical EGR valve ensures that various cross sectional openings are possible at different plunger heights.
^ Every possible valve position is provided via pulsed control.
^ Replace self-locking nuts.