Ford Repair Questions? Ask a Mechanic for Answers ASAP
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The problem your having is the Fuel pump has failed this sounds like it burned up most likely from rust and debris from the bottom of the fuel tank. You will need to replace the pump the symptoms were the beginning signs of the pump failing I would also replace the filter when you do the pump.
Is there a way I can test the pump now? Any way to connect it directly to a power source and see if it will spin? And what pump are you referring? The inline fuel pump, or the priming pump that is in the tank?
The pump in the tank
Any way to perform a test on it before dropping the tank?
You can actually remove the bed instead
You have power to the pumps right you said you checked correct
I am thinking that I will just replace them both. Removing the bed is not really an option that I want to go with. And what luck, I just filled the tank on friday.
I am not certain, I have power thru the inertia switch
Here is something that is odd
With a jumper across the inertia switch, I get no voltage on either side of the switch, kind of like something is causing a short.
Could be the relay
When I first turn on the key, taking a voltage measurement at the inertia switch, I get an immediate 12 volts, for approx 2-3 seconds, after that, the voltage drops to 6.98 volts
I have replaced the fuel pump relay already
This should always stay at 12v
if not there is a fault
Is there a connector close to the pump that I can use to apply 12 volts, to test the pumps?
here are the wiring diagrams
I have the same books that the Ford dealers use.
Although I am not seeing a connector close to the pump
Let me look at these
Yes, those are the same ones that I have. Where is the ECA module? Is this the same thing as the computer that is located in the pasenger foot kick panel on the right hand side?
From the diagram, it looks like the same large connector. There is a pink/black wire that goes over to the pump. I can use that, if that is the same wire
Lower RH Cowl is the location of the ECA
Yep thats correct
I am not seeing any module in that area, that is that large. I mean, with that many wires plugged into it.
its not too large
I see a silver box in the passenger foot compartment that has a really large plug in it. Is this what you are referring to as a cowl?
The plug looks just like what is in the picture that you just sent
Then you found it!
I will test the two fuel pumps and see if they spin. If they do, I think the issue is the ECA module. What do you think?
Sounds correct to me! Right on the money
darn the luck, I was hoping it was something more simple.
I appreciate your time and your help with this.
No problem thanks in advance for the accept happy 4th
Thanks again.. Danny
Have a good one. Happy 4th