Question about 2005 Ford Expedition

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I dont have power in the swicht for going the scaner

I go to auto zone to put the escaner and then tellme i dont have power in the swich so cant read the escaner the problem can you helpme

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That could be part of the problem. There is a black Powerbox that may have a label for the ECM Relay. The ECM is needed for your vehicle to run good. At best, you may be running on "Limp Mode" which ignores many of the sensors and just keeps the vehicle going so you can limp home.

After that, the Dealers have BIG scanners that do not rely on your onboard computer. These units ask questions of your components and do not rely on the memory inside your SUV.

When you address the power issues for the scanner, some things may straighten out.

Posted on Mar 28, 2014

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