Bank 1 sensor 2 on 1999 volvo s 80 where can i find it
Behind the cat converter,
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Bank 1 is usually the side of the engine on a v type engine which has the #1 plug position and this oxygen sensor is ahead of the catalytic converter on the bank 1 side. .On a straight engine it is the oxygen sensor ahead of the cat.Sensor 2 is to the oxygen sensor to the rear of the catalytic converter on the exhaust system from bank 1.
If the y exhaust pipe from both banks feed into one converter,sensor 2 is still the rear most oxygen sensor.
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SOURCE: which oxygen sensor is bank 2 sensor 1 on a 1999
this is the upstream O2 sensor, it is located before the catalytic converter, it goes in the exhaust pipe for cylinders 4,5 and 6, see layout at this link.
http://autorepair.about.com/library/firing_orders/bl-fo-4352.htm
SOURCE: o2 sensors location
Bank 1 Sensor 1 is before the catalytic converter
Bank 1 Sensor 2 is after the catalytic converter
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