To diagnose fuel pump circuits there's no replacement for a good wiring diagram.
38+ 2002 Expedition Fuel Pump Wiring Diagram Pictures. Low fuel pressure (weak pump, restricted fuel line so before you attempt this procedure, you must look up the fuel pump wiring diagram for your vehicle in a manual or online. Now the pump will not engage at all.
Ym 5728 2002 Ford Excursion Fuel Pump Wiring Diagram Wiring Diagram from static-assets.imageservice.cloud
̈ check electronic control fuel injection pump power supply circuit. I've already ticked off the mechanic by questioning if he'd thoroughly tested everything before proposing a $1,000 fuel pump. You will then have to remove the fuel pump connector by squeezing it and pulling it off.
Geez i sure don't want to drop the tank again.
To remove the trim panel for access to the fuse box, pull the panel toward you and. We have been trying to find a wiring diagram for the fuel pump, but have been unable to find one, even on ondemand5.com. If the vehicle will start and run and no drivability complaints are present, then suspect an open in the feedback circuit between the pcm and where it splices into the. Hooking it up to a manual switch or ignition circuit.
