camshaft sensor

The camshaft sensor is located at the top of the engine. Here is a guide to help you see what you are in for when doing the job check the diagram below to show you the lcoation on your car

https://www.2carpros.com/articles/camshaft-angle-sensor-replacement

And below is the location for you car. Check out the diagrams (below). Please let us know if you need anything else to get the problem fixed.

DX, model, 1.8, automatic, four cylinder front wheel drive automatic 283,000 miles.

My check engine light came on yesterday. Nothing appears to be wrong. Took it to Aamco for free diagnosis. He said it was the cam sensor. In looking up information on this part, it looks fairly easy to change out. He quoted me $450.00. I have done work on my cars myself, the last four being Toyota's.
Can you tell me where it is? if it is as easy as it looks?

Blue is correct it has a crank sensor.