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Asher
Asher 4/5/2010
1995 Ford Ranger XLT 6Cyl3.0L - Engine
how often should the oxygen sensor be changed?
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  • RC
    RC 4/5/2010
    Replacing an aging O2 sensor can restore fuel efficiency, and prolong the life of the catalytic converter. Replacing them every 100,000 miles is often recommended. Obviously, it should be replaced sooner if it is defective.
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