Lincoln Navigator: Engine Emission Control - 3.5L EcoBoost (272kW/370PS) / Engine Emission Control - Component Location. Description and Operation
			
			
			
 
 
 
 
 
 | Item | 
 Description | 
 
 
 | 1 | 
 Differential pressure feedback EGR sensor. 
		  | 
 
 
 | 2 | 
 
 EGR outlet tube. 
		  | 
 
 
 | 3 | 
 
 EGR temperature sensor. 
		  | 
 
 
 | 4 | 
 
 EGR back pressure sensor. 
		  | 
 
 
 | 5 | 
 
 PCV valve. 
		  | 
 
 
 | 6 | 
 
 EGR valve. 
		  | 
 
 
 | 7 | 
 
 EGR cooler. 
		  | 
 
 
   System Operation
 
 Exhaust Gas Recirculation (EGR) System
 
 Overview
 The EGR system controls the NOX
 emissions. Small amounts of exhaust gases are recirculated back into 
the combustion chamber to mix with the air to fuel charge...
   
 
   Other information:
   Adjustment
 
 
 
 
 
 NOTE: 
 If the flash video link does not load or is 
incompatible with your browser, a .wmv version of the video can be 
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 Click on the link above to view video...
   
   Removal
 NOTE: 
 Removal steps in this procedure may contain installation details.
 
 
 
 
 
 Remove the rear bumper cover.
 Refer to: Rear Bumper Cover (501-19 Bumpers, Removal and Installation).
 
 
 
 
 
 
 
 Remove the push pins, release the locating tab and remove the liftgate module cover...