skoda Workshop Repair Guides

Skoda Workshop Service and Repair Manuals

Connection diagram for vacuum line control > < Removing and installing parts of the exhaust system
Exhaust gas recirculation system
Exhaust gas recirculation system
  Note
t  The exhaust gas recirculation system is operated by the diesel direct injection system control unit -J248- via the EGR valve -N18- to the mechanical exhaust gas recirculation valve.
t  Inspect exhaust-gas recirculation valve -N18- → 1.9 l/81 kW (TDI) Engine, Fuel Injection and Glow Plug System; final control diagnosis
t  The mechanical exhaust gas recirculation valve with cone-shaped valve plunger makes it possible to achieve different opening cross-sections at different valve strokes.
t  Any desired valve position is possible as a result of the pulsed operation.
t  Always replace self-locking nut.
   

Connection diagram for vacuum line control > < Removing and installing parts of the exhaust system