dave32gtr Posted January 22, 2017 Report Share Posted January 22, 2017 Hi, Probably a stupid question but I'l ask anyway..Just converted my r32 gtr to a single turbo. What o2 sensor should I use? The lsu49? Do I even need an o2 sensor??From factory the car uses 2 sensors so I just assume I leave one unplugged?I like the idea of a wideband so the ecu can keep things safe.Cheers Quote Link to comment Share on other sites More sharing options...
Scott Posted January 23, 2017 Report Share Posted January 23, 2017 It is nice to have a wideband O2 sensor permanently installed and wired to the Link ECU. This allows you to monitor the AFR/Lambda with PCLink or an aftermarket dash. It also allows you to run closed loop lambda as a form of protection. The LSU 4.9 sensor is what we use with the wideband controllers in our ECUs and for the CAN-Lambda unit. If your ECU does not have a built in wideband O2 controller then you will need one of these also.Scott Quote Link to comment Share on other sites More sharing options...
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