where is the o2 sensor located bank 1

Asked by Brittany Jan 17, 2013 at 07:24 PM about the 1997 Chevrolet Lumina LS Sedan FWD

Question type: Maintenance & Repair

3 Answers
176,065

tenspeed answered 11 years ago

Bank 1 is the side of the engine that includes cylinder number 1, bank 2 would be the other side. Sensor one is before the cataylitc converter, sensor 2 would be after.

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5,695

Tom answered 11 years ago

there is only 2 o2 sensors on your vehicle both r bank one upstream sensor(sensor 1) is back behind the engine threaded into the exhaust downstream sensor(sensor 2) is further down the exhaust underneath the car

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