Idle Speed Control Valve (ISCV) - removal, cleaning and refitting
1 Disconnect the battery negative lead.
2 Disconnect the valve wiring plug (see illustration).
12.2 Idle speed control valve - 1.6 EFI engine
A Wiring plug B Securing bolts
3 Unscrew the two securing bolts, and withdraw the valve from the air cleaner housing.
4 Remove the valve as described earlier in this Section.
5 Immerse the valve in a container of clean petrol and allow it to soak for approximately three minutes.
6 Use a clean paint brush to clean the bore, slots and piston of the valve.
7 Using a small screwdriver, carefully move the piston up and down in the bore (do not use the slots to do this), then rinse the valve with petrol and dry it, preferably using compressed air (see illustration).
12.7 Using a screwdriver to move the idle speed control valve piston - 1.6 EFI engine
8 Refit the valve as described in the following paragraphs.
9 Refitting is a reversal of removal, ensuring that the mating faces of the valve and air cleaner are clean.
10 On completion, start the engine and check that the idle speed is stable, and that there are no air leaks. Warm the engine up to normal operating temperature, then switch on all available electrical loads and check that the idle speed is maintained.
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Carburettor (Weber 2V type) - fast idle speed adjustment
1 This procedure does not apply to models fitted with a carburettor stepper motor, for which no adjustment is possible. 2 Check the idle speed and mixture. The idle speed must be correct before at ...
Heater controls - removal and refitting
Pre-1986 models Removal 1 Working inside the vehicle, remove the dash lower trim panel from the right-hand side. The panel is secured by two metal tags and two clips. 2 Detach the air ducts from ...