Fuel System Service Archives - Tomorrows Technician
Video: Fuel Injectors And Droplet Size

Fuel injectors must maintain consistent droplet size for proper engine operation. This video is sponsored by Rislone.

Fuel Pump Codes And Control: Keeping Pressure In The Zone

The first electric fuel pump circuits were very simple. The pump circuit usually involved a relay and fuse. The control side to the relay was typically wired to an ignition circuit or key switch. The control of the fuel pressure was performed with an analog regulator that could keep a static pressure and adjust for loads with a vacuum signal.