CFS

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Page created by T August 27th 2007:

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The Image shows a 3.3 Head with the Cold Feed Switch located between the 2nd and 3rd Spark Plug.Image by RedWagon. Click to Enlargen.

Cold Feed Switch (CFS):

The Cold Feed Switch is screwed into the head from HZ on. It's function is to prevent vacuum spark advance until the Engine Temperature exceeds 65 degrees C to minimise emissions.

The top image shows the Cold Feed Switch (CFS) which only permits Vacuum to the the Distributor above 65 degrees C. Click to Enlargen. Photo by Ruski.
The Cold Feed Switch on a series 2 WB Statesman 308 V8. The Switch only permits Vacuum to  the Distributor above 65 degrees C by allowing current to flow or not flow to the Vacuum Advance Solenoid. Click to Enlargen. Photo by Ashmonkey.

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