lincolnscott49 answered 4 years ago
its the o2 sensor before the catalytic converter on the drivers side I believe
It's the oxygen sensor before the catalytic converter on the side of the engine that has the number two cylinder on it. It's the side closest to the front of the vehicle. Standing on the driver's side facing the vehicle it's the left side of the engine. Hope that helps! Jim
Were is the oxygen sensor located on a 2006 Buick Lucerne North Star engine? Bank 2 sensor 1
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