GBE Fuel Cut Defencer - FCD Mechanical - MK2 Talbot ECU Functions

ECU Functions

Choice of piston or diaphragm operation on most actuators

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GBE Fuel Cut Defencer - FCD Mechanical - MK2 Talbot ECU FunctionsThis is What an FCD is: An FCD is a small device, which essentially acts as a me chanical air pressure switch. A small ball bearing within the valve is held, under pressure, onto a seat by a spring. Air pressure acting on the ball causes it to lift off its seat once a preset pressure has been reached, as determined by the spring pressure on the ball which can be adjusted of course. Once the ball has lifted off its seat air can flow through the valve.