o2 sensor replacement interval i lost the manual for my 2003 civic ex. can someone tell me how often the manual says to replace the oxygen sensor? |
Not sure but they are cheap i had to buy a new one from honda and it was 62 bucks. |
I guess 62 bucks is cheap for you, that's a tank and half of gas for me though. Personally I wouldn't change an O2 sensor unless something was wrong. Maybe if I noticed the last 3 tanks of gas I've gotten really bad MPG and I run fuel cleaners on a regular basis AND I can't find any other reason why my MPG went down, then I would consider changing the O2 sensor. But sorry, I can't help you, lol, I don't have the factory manual with me. But I do know generally an O2 sensor is rated for 100,000. The main reason O2 sensors go bad is because of carbon build up. I take them out every 50,000 miles or so and burn the carbon off, I use little tourch thing for welding, you want the flame to be around 1500F-2000F. I work with the same ceramic material the sensors are made from, that's why I know about them :) |
when your o2 sensor goes don't you get a CEL? that would be a good indication to me that it's time to change it :) |
Originally Posted by etdigitalis when your o2 sensor goes don't you get a CEL? that would be a good indication to me that it's time to change it :) If something is drastically wrong it will trigger a CEL. But the performance can decline somewhat before it will trigger the CEL, and during the time of lowwer performance, it can lowwer your MPG. But yeah, if something goes really wrong, you get a CEL. |
The reason I had to change it is cause i stripped it. Taking it on and off my stock to megan to random to stock again. I did not want to put a stripped o2 back in the stock cat that has the indentation. Btw it was the rear o2. |
yeah im only worried about the front. if my civic is anything like the old eclipse gsx i had, the front adjusts the air/fuel mix and the rear basically does nothing, just sits there and make sure the cat is working. |
Originally Posted by ctx66 yeah im only worried about the front. if my civic is anything like the old eclipse gsx i had, the front adjusts the air/fuel mix and the rear basically does nothing, just sits there and make sure the cat is working. |
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