2003 Ford Expedition Check Engine Light Reset

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 ford expedition check engine light reset.

Now it is all resolved but check engine light remains on. If it goes off the problem is intermittent but the computer will store the code for later diagnostics. 1997 2006 expedition navigator resetting check engine light hello everyone. I own a 03 expeditition eddie bauer.

2003 expedition 5 4l engine. My check engine soon light is on. A check engine light can indicate a broad spectrum of problems with your 2004 ford expedition. Car is running fine.

How do i reset it. Locate the diagnostics port under the dashboard of your ford. How to reset a ford expedition s check engine soon light by richard rowe. 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.

Turn on the ignition by pressing the start button without pressing the brake pedal. I recently had the displeasure of dealing with the coil issue. Does anybody know how to reset it. The first step in troubleshooting the check engine light is to read the fault codes with an obd ii scanner.

If anything goes wrong with the engine the computer will illuminate the check engine light cel. If the light stays on the fault is ongoing. Is this a service reminder.