If you've corrected the problem, it will reset itself after so many ignition cycles or 100 miles. If need to erase the code from the PCM, you need a scan tool. These can be had for as little as $30 from your local parts store. However, if you haven't corrected the problem, and you erase the code. The SES light will soon return.
On a 2003 Lincoln Navigator : The check engine light / service engine soon light is a drawing of an engine located directly under the center of the tachometer
Either try disconnecting the battery for about 10 minutes or have vehicle scanned to determine problem and have codes cleared
how do you change the light on the gear shift of a 2003 Lincoln navigator
advance auto or OB II code reader
Auto Zone will check your engine codes for FREE. After finding out what cause your engine light to come on. Then the problem can be resolve with out guessing.
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Mini fuse ( # 17 ) is a 15 amp fuse for the foglights in a 2003 Lincoln Navigator
The Lincoln navigator yellow exclamation point on the instrument panel, is an indication that the engine needs to be checked. The yellow color means caution.
Needs a Tune up
You can reset your 2004 Lincoln Town Car service engine light by scrolling to the oil life display. Hold the scroll button in until the oil life goes to 100 percent.
Auto Zone will check your engine codes for FREE. This way you will know for sure what it is. It maybe a bad Oxygen Sensor.
If your refering to the engine light been on. Auto Zone will check the codes for FREE. If other lights then we need more details...