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Help to choose a wideband AFR controller 
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QFP80 - Contributor

Joined: Fri Aug 13, 2010 6:07 am
Posts: 37
Hentai wrote:
NGK AFX with NTK sensor


Seriously ??? a trim-pot calibrated controller ?

9-16 range... No serial , no configuration of any kind ... a single 0-5v output


Tue Mar 19, 2013 9:16 pm
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LQFP144 - On Top Of The Game
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Joined: Sun Jul 18, 2010 2:35 pm
Posts: 302
molak wrote:
Hentai wrote:
NGK AFX with NTK sensor


Seriously ??? a trim-pot calibrated controller ?

9-16 range... No serial , no configuration of any kind ... a single 0-5v output

Yes Seriously


Mon Apr 01, 2013 3:18 pm
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Wideband Wizard

Joined: Tue Jun 10, 2008 2:53 am
Posts: 241
Location: Toronto Canada
I benched a new AFX unit using my lab gas, it was garbage in terms of accuracy.

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www.14Point7.com


Thu Apr 04, 2013 7:42 am
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QFP80 - Contributor

Joined: Fri Jun 14, 2013 12:49 am
Posts: 79
Location: Gibsons, BC Canada
I have a DIY WB controller, NTK UEGO sensor with a Tech Edge display, about 9 years old in my Van. It's on it's second sensor but has been in service for about 100,000km. I have a slightly newer Tech Edge OZDIY controller, NTK UEGO sensor and display in the motor home. It is about 6 years old, original sensor, but only has been in service for about 30,000 KM. I also have two Innovate LC1s with Bosch sensors in the boat. They are a couple of years old and have about 50 hours on them.

The DIY WB takes about a minute to get up to operating temperature before it will report values. The OZDIY slightly less. The LC1s take about 30 seconds. I have no idea how accurate any of them are. Has anyone done any serious testing?

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Robert
1995 Ford E150, 300 CID I6, Custom MS1-Extra, Custom semi-auto E4OD trans controller
1992 Winnebago 33 RQ, Ford 460 CID V8, Custom MS1-Extra, Custom semi-auto E4OD trans controller
1993 Bayliner 3288, Twin Ford 351 CID Windsors, Converted to tuned port programmable EFI, Custom MS1-Extra


Wed Jun 26, 2013 11:32 am
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TO92 - Vaguely active

Joined: Sat Jul 06, 2013 12:23 pm
Posts: 1
I'm also looking for a wide band lambda controller.
Important features for me is:
A display that can show Lambda, not only AFR.
An analog out put with high resolution which also has a separate signal ground.
High accuracy.
Fast response time.

If the unit has a logging function with rpm and analog inputs it is a good feature, but lambda sensor performance is the only important feature.

The unit will at first be used in carburetor and mechanical fuel injection application. Later on perhaps in some EFI applications.

I would very much like to get some recommendations on units that might be suitable:)
If it is possible I also would like to se facts on why one recommended unit is better then the other.

BR
Johan


Sat Jul 06, 2013 12:40 pm
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