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Got first ever check engine light - code shows O2 sensor, some questions.... 200

posted by  jwalker on  Tue Dec 20 03:07 CST 2005
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last visit: Fri Jun 6 08:39 CST 2014
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As mentioned, code shows O2 sensor. Car runs well, only indication anything might be wrong is that I can't seem to attain the gas mileage I once did. However, a tune-up might help too!!!

Question - should I investigate further to make sure the code is accurate or should I just bite the bullet and replace the O2 sensor as preventative maintenance? So as to protect the cat etc.. I have owned the car for 100K and I haven't replaced it. Don't know if it is the original or has already been replaced once.

Is this a difficult job? Does the generic one work well or should I go with Bosch??


Thanks all!

Merry Christmas!!



Jim
--
90 244DL 262k :)






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