My 146 1.6 Boxer hasn't been running too happily recently. Having read the comments above I noticed that even on a round trip of nearly 300 miles yesterday that my temperature gauge never reached 80. It stayed below 80, halfway between the line below (about 60) and 80. It almost went to 80 at one point, but this was after sitting in traffic for a few minutes. Once I started driving it settled back to about 70 ish. My car has also been quite thirsty recently - even more than usual! I also noticed that at times the car would hit a flat spot. I'd keep my foot down and the speed would only creep up very slowly for a couple of seconds, and then all of a sudden the power would kick in. This has happened a few times over the last week or two, but in between the car drives fine. After reading the comments above could the car be running rich because of the temperature not reaching what it should? Any ideas? Cheers!