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| Torza80 |
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just wondering what does the wide-band controller do on the J3 chips what is the purpose of it.
I have been thinking of buying a j3 chip and programer and programing the chip all myself. Just wondering with is the purpose of the controller and what it does and how it helps tune my car. Can i use just a AFR gauge. Cheers for your help |
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| bry40l |
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a wideband sensor and controller tell you air fuel ratios
_________________ BF XR6 |
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| efxr6wagon |
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Without a wideband sensor and controller, you cannot know how rich or lean you are running. The factory narrowband sensor can tell you only about 14.5-14.8 AFR, maybe a little more. An AFR of 11 will read the same as an AFR of 14 - not much good for tuning. Wideband typically registers AFR range of at least 10 to 18.
_________________ 95 EF XR6 wagon, 17" FTRs, DBA rotors, KYB/Koni, AU bottom end, ported EF head, backcut valves, SS Inductions, Territory intake, 10.2 CR, Auckland 1258 cam, vernier gear, PH4480 headers, no cat, Tickford 2.5", 2800rpm stall, J3 chip |
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