Question about 2003 Ford Mustang
Our car just turns over but will not start. Cannot smell fuel wwhile cranking. wondering if the fuel pump relay is bad?
Its possible its the fuel pump it self if u dont smell gas. When u turn the ignnition if u do not hear the fuel pump engage thats the problem. Dont start the car just turn the ignition;.
Posted on Jan 13, 2013
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Posted on Jan 02, 2017
SOURCE: Fuel Pump Relay
Obviously, you can jump the relay but it is dangerous on an extended basis. You'd have pressure in the lines when you don't want it there. Replace the relay if it is defective.
If you have other issues, you can check the pump back to the tank by going on the business end of the relay and looking for resistance at the pump to ground. If it is open, the pump or the harness is bad...GMs have harness issues...not Fords.
Posted on Jul 24, 2008
SOURCE: solenoid was bad replaced it
Check the fuel pump cut off switch located behind the carpet on the passenger side up unde the heater box, pull the carpet back and see if the button on top of the switch is pressed down, if not there behind the panel passenger footwell right side same thing also make sure the switch has power coming in and going out. BUT! you gotta be quick the fuel pump relay controls this power and only suppllies power for 2-3 seconds then it turns off. so plan ahead get your test equipment all set-up and surn the ignition on if you have power great turn off the key and move test stuff to tho other wire on the fuel shut off switch get ready and turn on the key power good no power bad fuel pump switch but No power to the switch likely a bad ffuel pump relay.
Posted on Aug 03, 2008
How do you check the electrical wiring to the pump and if it is that is it something I can do? I have checked the fuel relay fuse and the safety cut-off switch and replaced the fuel pump and filter
Posted on Dec 07, 2008
chec fuel pressure regulator it is in line of fuel next to engine-inpec for leaks insystem also-if u aquire a svc manual there is a list of codes or ask tech at dealer-look over ignition area to rule out
Posted on Sep 13, 2009
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