seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Servicing parts of exhaust gas recirculation system > < Checking catalytic converter
Exhaust gas recirculation system
Exhaust gas recirculation system
  Note!
t  The function/control of the exhaust gas recirculation system is checked by the self-diagnosis of the Motronic control unit -J220-.
t  Pulsed control makes every conceivable valve position possible.
t  Checking exhaust gas recirculation valve -N18-. → Vehicle diagnosis, testing and information system VAS 5051
t  The cone shaped plunger in the (electric) EGR valve ensures that various cross sectional openings are possible at different plunger lifts.
t  Components marked with an * are checked via the self-diagnosis. → Vehicle diagnosis, testing and information system VAS 5051
t  Components marked with ** are checked via the final control diagnosis. → Vehicle diagnosis, testing and information system VAS 5051
   

Servicing parts of exhaust gas recirculation system > < Checking catalytic converter