o2 sensors

From: BARRY OLIVER (DHSPA58@dhs.state.il.us)
Date: Thu Feb 19 2004 - 11:02:26 EST


Ok, riddle me this: are O2 sensors a wear/maintenence item, or a "wait til it breaks" item? I don't have any codes, and my truck runs ok, but it does get comparitively poor mileage - and I am quite sure that my big tires and 87 pound foot have nothing to do with that..
'99, 318, auto, 4x4, 13x13.50 tires, 93k miles.



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