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Exhaust system > < Double non-return valve: checking

Leon Mk1

Technical data
   
Technical data
Engine codesBWA BWJ
Idling speed check  
 Idling speed 1)1/min620…800620…800
Engine control unit 2)  
  System Motronic MED 9.1Motronic MED 9.1
  Spare number  → ETKA (Electronic parts catalogue) → ETKA (Electronic parts catalogue)
  Speed limitation:1/minabout 6000about 6300
  Fuel pressure   
  Low pressurebarca. 4,0 - 6,0ca. 4,0 - 6,0
  High pressurebarca. 40 - 120ca. 40 - 120

1 If the voltage drops under 12 Volt the speed is increased gradually to 990 rpm. Idling speed is not adjustable.
2 Replace engine control unit → Chapter.
   

Exhaust system > < Double non-return valve: checking