Thread: O2 sensor locations for 2002 Mercury Sable
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Old 01-24-2011, 06:12 PM
danielsatur danielsatur is offline
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Re: O2 sensor locations for 2002 Mercury Sable
Bank 2 = cylinders 4,5, and 6.
HO2 sensor 1 is befor the cat, and H02 sensor 2 is down stream after the cat.

Have a local muffler shop do an inspection, it could be a burnt H02 wire.
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