How Do I Check Trouble Codes on a Ford?
Checking the trouble codes on your Ford is necessary when your "Check Engine" light on the dash illuminates. The "Check Engine" light indicates a problem with the various sensors on the vehicle. Don't ignore this warning, because in many cases it indicates a failure of a critical sensor that can cause serious damage to your engine or exhaust system. Troubleshoot the codes for your Ford by performing a diagnostic check.
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Instructions
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Locate the access point for the onboard diagnostic system. You should be able to find it to the left of the main fuse panel. It's a small rectangular plug coming off of the main wiring harness in the driver's side footwell.
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Plug the OBD scan tool into the OBD port.
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Turn the ignition to the "On" position and turn on the scan tool. Wait for the scan tool display to read "OK."
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Press "Menu" on the scan tool and scroll through the options until you see the "Stored Codes" section of the menu. Select the "Stored Codes" option and scroll through the codes you just retrieved. Use the scan tool's manual to translate the codes.
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