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Old 06-15-2007, 08:07 PM   #1
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Default o2 sensors

Forgive me if I cover things that has been covered before.Where are the o2 sensors
located on a 2000 SSEi and how hard are they to change?
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Old 06-15-2007, 08:20 PM   #2
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One before the cat. in the exhaust manifold that determines how much o2 and gas to add to the cylinders. then there is a second behind the cat that only measures how efficient the cat. is being.
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