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The heater control valve can stick open or closed, as it is operated by an electrical solenoid. Clean old valve, or a new one. Located under bonnet, near bulkhead
To connect a heater control valve on a mark 5 fiesta all the terminals must be correctly connected. The color coding is used to ensure that the terminals are correctly connected.
how can I clean the Idle Air Control Valve on a 1998 Nissan Frontier
its behind the air filter
IDLE AIR CONTROL VALVE (IAC)Definition: An electrically-operated valve which allows air to bypass the throttle plate in a fuel injected engine to regulate engine idle speed.Buy it new; it doesn't even pay to clean it. It works half the times. But it will go bad eventually…
Fiesta's have a common fault with the heater control valve failing closed. You can get a new one from Eaby for £15
its screwed in the right hand side of the engine
my 2002 volvo s-40 is miss firing and it is alleged that the fault is from the idle air control valve. how can i clean the valve?
98 chevy lddle control valve
Why do you want to locate the idle control valve? is it cutting out at junctions? Best thing to do is remoove the throttle body, clean all the black gunge out, especially between the throttle plate and the side wall. Refit it and away you go.
no just replace the valve
If your not getting any hot air in the car it will be the control valve, its about 28 quid. very common failure