volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Checking and adjusting choke valve gap > < Adjusting idling speed

Golf Mk1

34 PICT, Keihin carburettor and ignition system
Servicing Keihin carburettor 08.78 >
Checking and adjusting cold idle speed
 
U22-0006
  • ● Minimum engine oil Temperature 60 °C.
  • ● Idle adjustment OK, checking =>page 22-72
  • ● → Choke cable fully out; operating lever for choke valve -1- must be on stop.
 
V25-1522
  • ‒ → Connect up ignition tester V.A.G 1367 with clip-on trigger 1367/8 or ignition tester V.A.G 1767.
 
U22-0006
  • ‒ → Fully open choke valve with lever -2-.
  • ‒ Start engine. The engine speed must be 4200 ± 200 rpm. If necessary, adjust cold idle speed by bending stop lever -arrow- to a level or 4200 rpm.

Engine speed too high:

Press lever together

Engine speed too low:

Press lever apart

Checking and adjusting choke valve gap > < Adjusting idling speed