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wideband controller 


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 Post subject: wideband controller
Posted: Tue Jun 12, 2012 9:19 pm 
Parts Gopher

Age: 32

Posts: 56

Joined: 27th Oct 2011

Ride: Ford Falcon EF

Location: Ballina NSW
NSW, Australia

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
 Post subject: Re: wideband controller
Posted: Tue Jun 12, 2012 9:41 pm 
Getting Side Ways
User avatar

Age: 29

Posts: 4599

Joined: 30th Aug 2010

Ride: BF XR6,

NSW, Australia

a wideband sensor and controller tell you air fuel ratios



xr8 snorkel,typhoon lower snorkel,territory intake pipe,20% underdrive kit,pacemaker extractors,high flow cat,xforce exhaust,t56 conversion hd turbo clutch/ flywheel,m86 3.45 lsd,custom tune187.1rwkw as an auto

 Post subject: Re: wideband controller
Posted: Wed Jun 13, 2012 8:59 am 
Getting Side Ways

Posts: 884

Joined: 1st Apr 2005

Gallery: 4 images

Ride: EF XR6 Wagon, AU2 XR6 VCT

Power: 148 rwkw

Location: Auckland
New Zealand

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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