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Where is my oxygen sensor located for Bank 1 & where is my oxygen sensor located for Bank 2 Short term Fuel Trim - Bank 1 -- reading 0.00% Short Term Fuel Trim - Bank 2 -- reading 0.00% Where are the O2 sensors located in my 2001 Jaguar S-type? Any diagrams ? Thank You in Advance !!!

Answers from the Automotive Experts

Barb Petrey, President - DBK Enterprises Inc at Jiffy Lube They are located in exhaust manifold. Check service manual for car if you don't have one you can go online or a library.

Helaine Kurot, Owner/Technician at 360 Automotive Those readings are normal if the vehicle is in open loop. The vehicle's computer is designed to ignore some sensors and outputs until the vehicle is warmed up and enters closed loop. Depending on the code reader you are using, it may also have default values set for any information not supported by the vehicle's computer. Unless you have access to factory level software, you are seeing a very generic interpretation that may not always be accurate. There are 4 oxygen sensors on the vehicle, 2 on each bank in the exhaust. One will be before the Catalytic converter and the other will be after it. All data does offer a subscription option for single vehicles - This will provide most, if not all the info, needed to work on this vehicle. Does this vehicle have a check engine light on or a drivability concern?

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