Scaffman Posted April 11, 2018 Share Posted April 11, 2018 Hi, my engine warning light has come on and I’ve had it checked and the garage has told me that it’s the bank one, sensor two, does anybody know which sensor this is and where on the exhaust it goes? Plus is it better to replace both at once and which is the best aftermarket ones? cheers Quote Link to comment Share on other sites More sharing options...
davey_83 Posted April 11, 2018 Share Posted April 11, 2018 Hi, sounds like driver's side rear O2 sensor. For a 350z t'll plumb into the cat and will have a blue plug. Quote Link to comment Share on other sites More sharing options...
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