2003 Ford Expedition Check Engine Light Reset

The on board diagnostic computer or obd computer throws an error code that is stored in the computer which triggers the check engine light to come on.

2003 ford expedition check engine light reset.

I own a 03 expeditition eddie bauer. Is this a service reminder. 1997 2006 expedition navigator resetting check engine light hello everyone. I recently had the displeasure of dealing with the coil issue.

The first step in troubleshooting the check engine light is to read the fault codes with an obd ii scanner. My check engine soon light is on. A check engine light can indicate a broad spectrum of problems with your 2004 ford expedition. If it goes off the problem is intermittent but the computer will store the code for later diagnostics.

In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. 2003 expedition 5 4l engine. How do i reset it. If the light stays on the fault is ongoing.

If anything goes wrong with the engine the computer will illuminate the check engine light cel. Turn on the ignition by pressing the start button without pressing the brake pedal. Connect your obd ii scanner into the diagnostics port. How to reset a ford expedition s check engine soon light by richard rowe.

Now it is all resolved but check engine light remains on. Does anybody know how to reset it. After you have fixed the problem or completed maintenance you must use an obd reset tool to reset the check engine light.