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Old 01-05-2003, 06:26 PM
jchip jchip is offline
Registered User
Join Date: Nov 2001
Location: west orange, NJ
Posts: 47
O2 sensor

Manual says replace the O2 sensor once at 60k. I've got 206K. Don't know if original owner replaced it as suggested but should'nt they be replaced every so often as part of good preventive maintenance or am I missing something?

1991 420 SEL (206,500 miles)
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