mommalaura
New member
So, my check engine light came on in my mazda protege 2000, its a 1.8L.. Got the code from advance auto parts and its the oxygen sensor, upstream. anyway I don't want to pay a mechanic to do the job because they told me it was going to be over $300 to fix. SO, I would like to do it myself since the sensor itself is less than $100. Please if you know where I can find a manual or tell me where it is, or a picture, thanks. I've been searching online but can't seem to find anything. I'm trying to save some money here. Thanks so so much.