What is the fuel shutoff solenoid on a Cummins?
What is the fuel shutoff solenoid on a Cummins? Check the starter solenoid (+) terminal for a loose connector or accessory wiring with damaged insulation.The fuel shutoff solenoid is a device used by the ECM to control the engine fuel supply. The ECM can shut down the engine by cutting off the power to the fuel shutoff solenoid. Can a fuel shutoff valve be pulled down? If there is an external shutdown system on the vehicle that uses the fuel shutoff valve for engine shutdown, make sure it has notfailed and pulled down the voltage on the fuel shutoff circuit....