I recently (about 2 months ago) purchased a '04 Prius with 122k miles on it and it now had 124k. The only problem that it seems to have it a sporadic P0420 cel that come on and off every once in a while (even while on the same tank of gas); I always make sure the gas cap is on tight. On my last fill-up I got about 50mpg, so nothing seems out of the ordinary. I'm hoping to pick up a scangauge soon to read the o2 sensors, but was just wondering if anybody had any experience with this problem and what their outcome was. Thanks, Anthony **Also, if anybody have a suggestion on how to fix the rattling center dash speaker that would be great.
This might be of interest to you: http://priuschat.com/forums/gen-ii-...ubleshooting/93083-p0420-code-2006-prius.html Regarding the center speaker rattle, I believe that you can just pull it out of the hole in the dash, then use some padding material to seat the speaker more tightly within the hole. Alternatively, as the speaker is not a very good one you may decide just to disconnect it.