Resetting the SES light
How to reset the service engine soon light if you knocked a sensor wire loose or off while working in the engine compartment.
If you do start the car without placing the sensors back in, you can easily reset the SES light by following these steps:
1.Turn key to the "on" position but don't start car
2. Pull the PCM BAT and PCM IGN fuses in engine compartment
3. Wait approximately 5 minutes
4. Turn ignition off
5. Replace fuses
6. Start the car and then make sure the light has gone off
Another way would be to simply disconnect the positive and negative battery cables for a few minutes.
