Carburettor (Pierburg 2V type) - fast idle speed adjustment

1 Check the idle speed and mixture adjustment. The idle speed must be correct before attempting to check or adjust the fast idle speed.

2 With the engine at normal operating temperature, and a tachometer connected in accordance with the manufacturers instructions proceed as follows.

3 Remove the air cleaner.

4 Position the fast idle speed adjustment screw on the lowest (6th) step of the fast idle cam (see illustration).

21.4 Fast idle speed adjustment - Pierburg  2V
21.4 Fast idle speed adjustment - Pierburg 2V carburettor

Screw (arrowed) should rest on lowest (6th) step of cam

5 Check that the fast idle speed is as specified. If adjustment is required, stop the engine and proceed as follows.

6 Remove the tamperproof cap from the fast idle speed adjustment screw.

7 Ensure that the adjustment screw is still resting on the lowest step of the fast idle cam, then open the throttle so that a small screwdriver can be used to adjust the screw from below the carburettor.

8 Start the engine and recheck the fast idle speed.

9 If necessary, repeat the procedure given in paragraphs 7 and 8 until the correct fast idle speed is obtained.

10 On completion of adjustment, stop the engine and disconnect the tachometer, then refit the tamperproof cap to the adjustment screw, and refit the air cleaner.

    See also:

    Genuine Ford parts and service
    When planning your maintenance services, consider your dealership for all your vehicles needs. There are a lot of reasons why visiting your dealership for all your service needs is a great way t ...

    Cigarette lighter - renewal
    1 Disconnect the battery negative lead. 2 Working behind the facia panel, disconnect the wiring, then push out the lighter assembly through the front of the facia panel. 3 If required, the illumin ...

    General information and precautions
    General information The system is best described by dividing it into four separate sub-systems: air, fuel, engine management (EEC IV system), and ignition. Air system The air system consists of ...