skoda Workshop Repair Guides

Skoda Workshop Service and Repair Manuals

Exhaust gas recirculation system - Summary of components > < Inspecting the exhaust system for leaktightness
Exhaust gas recirculation system
Exhaust gas recirculation system
  Note
t  The actuation of the exhaust gas recirculation system is performed by the diesel direct injection system control unit -J248- via the EGR valve -N18- to the mechanical exhaust gas recirculation valve.
t  Testing exhaust gas recirculation valve -N18- → Vehicle diagnostic tester.
t  The mechanical exhaust gas recirculation valve with cone-shaped valve plunger makes it possible to achieve different opening cross-sections at different opening strokes.
t  Any desired valve position is possible as a result of the pulsed operation.
t  Always replace self-locking nuts.
   

Exhaust gas recirculation system - Summary of components > < Inspecting the exhaust system for leaktightness