Oct 1, 2013 #1 CrankShop910 Active VIP Member Joined Aug 28, 2008 Messages 365 Reaction score 330 Location Morinville So on the 600-800 etec engines, is the fuel pump control by the ECM and if it is, does the ECM send it 12 volts all the time or is it PWM control???
So on the 600-800 etec engines, is the fuel pump control by the ECM and if it is, does the ECM send it 12 volts all the time or is it PWM control???
