The UK quattro Network - Audi Type 44 Service Manual

The UK quattro Network

Type 44 exhaust and idling tests (DR engine - 1B3 carburetor)

 Engine code letters: DR
(1B3 carburetor)
See page 18.
    With ignition switched off connect up test appliance for ignition timing, engine speed (e.g., VAG 1367) and CO content (e.g., VAG 1363A).
  • Start engine and run at idling speed.
  • Check ignition timing
DR engine with 1B3 carburettor - timing pointWith TDC sender:
The ignition timing point is shown directly on the tester.
With stroboscope:
Flash ignition timing point

If required, adjust ignition timing by rotating distributor
Idle adjustment screw and fast idle camNote:
When the choke is open the adjustment screw B must not be on the fast idle cam A - if necessary, turn the cam
  • Check idling speed and CO content, if necessary adjust to specified value by rotating adjustment screws alternately.
Idling adjustment screwIdling adjustment screw
CO adjustment screwCO adjustment screw

After adjustment lock adjustment screw with new anti-tamper cap #049 129 777B

After completing adjustment see notes on page 18

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