1993 Buick Century O2 sensors

1993 BUICK CENTURY
120,000 MILES • 3.3L • 6 CYL • FWD • AUTOMATIC
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BRUCE PATTON
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Are there more than one O2s? And where are they located? And what level of difficulty in replacing part. Any special tools? NOTE... Catylllic converter was removed at least four yrs ago...replaced with cherry bomb.
Jul 27, 2015 at 12:39 PM
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HMAC300
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you only have one and don't worry about it if the converter has been replaced with a muffler. it shod be right in front of the muffler
Jul 28, 2015 at 6:18 AM