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it would be a good idea to hook a pressure gage up to the inlet to the CP3 and see what the pressure is. . .at idle anything below 10-12psi and you would need to look into getting it replaced.
does it hurt running it at low pressure other than your pump failing whenever? also on the cp3 there is a port to plug into isnt there? Does any1 know the port or fitting we need to tap into? I have gauges at home but my couplers are different