The camshaft position sensor monitors the position of the camshaft. It is mounted at the rear of the cylinder head
To Remove Camshaft Position Sensor
1. Disconnect negative battery cable.
2. Disconnect wire connector from sensor.
3. Remove sensor mounting bolts.
4. Remove the sensor from the rear of cylinder head.
To Fit Camshaft Position Sensor
1. Install camshaft position sensor in rear of cylinder head.
2. Install and tighten sensor mounting bolts.
3.Connect wire connector to sensor.
4. Connect negative battery cable.
[http://www.autopartswarehouse.com/details/QQKiaQQOptimaQQBeck_ArnleyQQCrankshaft_Position_SensorQQ20032006QQ180-0409.html|Here is] what it looks like
Good Luck and I hope it helps.
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