1998 Mercury Sable po161 diagnostic code

1998 MERCURY SABLE
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JOHNL3165
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Electrical problem
1998 Mercury Sable 6 cyl Two Wheel Drive Automatic

where is the o2sensor heater circ.,bank 2-sensor2 located?
Aug 19, 2010 at 5:23 PM
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RASMATAZ
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Under vehicle, downstream from catalytic converter No. 2.
Aug 19, 2010 at 5:41 PM