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Steve Bull

EWP control on xtreme

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Has anyone managed to mimic a Davies Craig EWP controller without using loads of aux outputs. Is it best to keep a thermostat. I have removed the one from my 1uz engine but do have a spare inline one. 

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I think you might struggle with a G4.  Attached is a G4+ map that I set up to operate similar to the davis craig controller for someone else before.  It may give you some ideas.  It uses a timer and 3 virtual auxes.

From memory it pulses the water pump on for 1/2 a second once every 4 seconds during warm up, once water is above 50°C it pulses on for 2sec every 4 sec, then above 90° it runs full time.

Elec water pump cycle.pclr

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