Question about 2006 Ford Escape
Posted by Anonymous on
Hello, You might try a Relay that controls the PCM or ECU. They would be in the Powerbox where the fuelpump Relay is. Some of the Relays are identical so you could buy 1 and it would be a backup part for several.
You should also look at the other things the Ignition switch turns on in the Run position. Does the radio work, the fan motor, or turn signals? If they do not work look at replacing your Ignition switch.
The PCM and ECU get their power indirectly from the Ignition switch. When all have power they will connect to the fuelpump Relay. Since you said you checked the Relays, I am taking that to mean you checked the fuelpump Relay only. Many times people do not know that there are several relays which all need to connect to get the fuelpump to run. When you determine the Ignition switch is good, then the ECU and PCM relays should be getting power. Have you tested the fuelpressure Regulator? It needs to demand fuel from the pump.
The fuelpump relay depends on the ECU or PCM relays to work. One of the 2 relays may be bad and preventing the fuelpump relay from working. When you get to trouble shooting the terminals you can get wiring diagrams online or the info may be in a book at the Autoparts store.
One of the benefits of using a Dealer with the hardest problems is the tools they have. They have machines with connectors that match every wiring connector inside your car. If one section is unplugged they can test the wire loom section by section until the problem is found.
I hope you have found my solution to be very helpful and that I have brought up a few new areas to try. If trying different parts does not help, you are left with a wire by wire battle to fix this and the Dealers' better tools may make more sense.
Posted on Apr 03, 2011
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Posted on Jan 02, 2017
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