Yes there are 2 sensors on each side of the manifolds, 4 total for the car. Always replace in pairs.
One is called the upstream and is located near the exhaust manifold and the downstream is located near the converter.
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Mark V
HAPPY HOLIDAYS!
1998 Explorer 4.0 SOHC
1998 Windstar GL 3.8
2001 Corvette Coupe 6 Speed
2006 Honda Shadow Spirit 750 http://public.fotki.com/snextime/
If your Exhaust tip is bigger than your cylinder bore, you are a Ricer!
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