How many miles should you replace the oxygen sensor

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10-11-2012, 02:24 PM

XjZack

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Year: 1998

Model: Cherokee

Engine: 4.0 high output

How many miles should you replace the oxygen sensor

Hello
I have 1667xx miles on my 1998 jeep xj is there a way i can test the oxygen sensor or should it be replaced

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10-11-2012, 02:26 PM

VTJeep

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Yup. A good diagnostics machine can read o2 function and tell you if it's working properly. Poor mpgs, hesitations and a CEL are common symptoms.

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10-11-2012, 03:15 PM

Firestorm500

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Year: 2015, 2012

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And if it ain't broke don't fix it.

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