Idle Speed Control Valve (ISCV) - removal, cleaning and refitting
Removal
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.
Cleaning
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.
Refitting
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.
See also:
Door window - removal and refitting
Front door
1 Remove the door inner trim panel.
2 Where necessary for access, peel back the
waterproof plastic sheet from the door.
3 Remove the door mirror.
4 Remove the window channel extension
...
Carburettors (all types) - dismantling and reassembly
1 A complete strip-down of a carburettor is
unlikely to cure a fault which is not
immediately obvious without introducing new
problems. If persistent carburation problems
are encountered, it is re ...
Turbocharger - general description
Escort RS Turbo models are equipped with
an exhaust driven turbocharger, which is a
device designed to increase the engine’s
power output without increasing exhaust
emissions or adversely affectin ...