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Ignition system, glow plug system > < Secondary air system for engines with identification characters BGU, BSE, CCSA, CHGA - Summary of components

Octavia Mk2

Check secondary air injection combination valve for proper operation and tightness - Engines with identification characters BGU, BSE, CCSA, CHGA, CMXA
Check secondary air injection combination valve for proper operation and tightness - Engines with identification characters BGU, BSE, CCSA, CHGA, CMXA
  Note
Observe safety measures and rules for cleanliness when working on vehicles with liquefied petroleum gas system (LPG) → Chapter.
Test sequence
   
–  If present, remove engine cover -arrows-.
  A10-1564
–  Detach pressure hose -arrow- at the secondary air pump.
  A26-0310
–  Blow into the tube (do not use any compressed air) by mouth using gentle pressure.
l  The combination valve -arrow- must be closed, blowing through must not be possible.
–  Blow into the tube (do not use any compressed air) by mouth using higher pressure.
l  The combination valve must open, blowing through must be possible.
If the combination valve does not open:
–  Replace combination valve → Item.
  A26-0728

Ignition system, glow plug system > < Secondary air system for engines with identification characters BGU, BSE, CCSA, CHGA - Summary of components