3rd Gear Member
Join Date: Feb 2004
Location: West Lafayette, IN
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Hey guys. A few days ago I'm cruising along and my CE light comes on out of the blue. The engine feels fine, so I don't worry about it too much. I get home and reset it by pulling the battery (I always just reset things at least once, because 4 out of 5 problems on my car are just sensor glitches). It stays off for two days, then come back on when I start the car and gun it a little in the morning. I leave the door open to listen to the engine as I gun it, and it seems to sputter and cough ever so slightly in the lower (0-2800) rpm ranges. Not real bad, but noticeable to me. I can't really feel it while I'm driving, it's so slight, it's just a sound.
I don't have an easy way to get to a mechanic; I moved to a new area and thus far there's no one up here that can work on BMWs. I would have to drive 45 minutes just to get the code read, and I have to work. So in the mean time, I'm wondering what you guys think and if there's any self-tests I can do on this. It's not the catalytic converters; those were replaced last month. Spark plugs are only a few months old too. Coils looked fine when I had them out for the plugs. I'm personally thinking it's oxygen sensors, because I've got 93k on my car and never replaced them. Can those go bad gradually? Is there a test to see if that's the problem without taking the car in?
Thanks for your thoughts, everyone.
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