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Old 08-16-2002, 06:32 PM
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sixto sixto is offline
smoke gets in your eyes
Join Date: Jun 2000
Location: SF Bay Area
Posts: 18,745
Many things other than a bad O2 sensor will trip the check engine light. Search the archives for how to read the code behind the check engine light.

Check the archives as well for step-by-step instructions on replacing the serpentine belt and what to check while you have it out. If your belt was loose, the tensioner is probably worn beyond serviceability.

91 300SE
87 300SDL
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