Subject	That's like driving a car by looking at the rearview mirror
Posted by	sparkie on June 12, 2018 at 12:25 AM
	This message has been viewed 377 times.
In Reply To	Why doesn't Haltech use wideband O2 feedback posted by not4resaleZ on June 06, 2018 at 05:23 PM
Message	Not a good idea. Closed-loop tune depends on having a decent tune first. By using a O2 closed-loop tuning allows only a percentage of the fuel adjustment. Otherwise if you have a O2 sensor went out of calibrition or went bad, you will have a blown engine. www.ztechz.net
Follow Ups	Standalone aem unit vs stock chip/tune ECU - jessethehitman 19:37:16 06/05/18 Re: Standalone aem unit vs stock chip/tune ECU - Bad Fish 09:54:19 06/06/18 This. - MixManMash 13:48:23 06/06/18 Why doesn't Haltech use wideband O2 feedback - not4resaleZ 17:23:29 06/06/18 Different strokes for different folks. - MixManMash 19:00:25 06/06/18 Re: Why doesn't Haltech use wideband O2 feedback - Bad Fish 08:45:57 06/07/18 Re: Why doesn't Haltech use wideband O2 feedback - freak152000 21:40:09 06/07/18 If the sensors find residual oxygen, fuel is added to burn - not4resaleZ 07:02:03 06/08/18 The O2 sensors don't really determine ethanol content - not4resaleZ 09:10:32 06/08/18 Re: The O2 sensors don't really determine ethanol content - Bad Fish 10:00:49 06/08/18 I'm familiar with the concept of MBT and the fact that - not4resaleZ 10:16:48 06/08/18 Re: I'm familiar with the concept of MBT and the fact that - Bad Fish 10:55:03 06/08/18 People road tune all the time. It may not be as accurate - not4resaleZ 11:07:52 06/08/18 Re: People road tune all the time. It may not be as accurate - Bad Fish 11:16:21 06/08/18 Larry larson doesnt use a dyno and I dont see - michaell32 (FL) 19:02:58 06/08/18 Re: Larry larson doesnt use a dyno and I dont see - Bad Fish 20:36:53 06/08/18 Re: Re: Larry larson doesnt use a dyno and I dont see - Bad Fish 20:40:09 06/08/18 Agreed 100 % (n/m) - ztunerz 23:26:39 06/10/18 Not true, you can make a z32 knock on E85 or E70 if you wish - ztunerz 23:24:50 06/10/18 Re: The O2 sensors don't really determine ethanol content - freak152000 10:39:11 06/08/18 I doubt there is any published info, - not4resaleZ 11:02:01 06/08/18 Wideband sensors have 3 sensors in them - BlackholeZ 14:04:30 06/09/18 Re: Re: Why doesn't Haltech use wideband O2 feedback - Rob260 21:54:40 06/09/18 It seems at some point the ethanol content needs to be known - LitlElvis 23:57:23 06/07/18 In my opinion Haltech needs to up their game. (n/m) - not4resaleZ 09:12:19 06/08/18 Re: It seems at some point the ethanol content needs to be known - Bad Fish 10:07:26 06/08/18 You're right - I tend to ignore Lambda because AFR - LitlElvis 12:00:21 06/08/18 Re: You're right - I tend to ignore Lambda because AFR - Bad Fish 15:44:03 06/08/18 using the O2 sensor to determine Eth content rather than - LJZTT 11:28:27 06/08/18 The point is...Who cares what the actual percent ethanol - not4resaleZ 12:12:20 06/08/18 it is if you want to tighten up for LTFT and STFT range>> - ztunerz 23:23:43 06/10/18 Tune a content sensor right and E% "doesn't matter" either - dogpile 17:55:06 06/12/18 you need complete closed loop for that to work correctly - ztunerz 23:21:52 06/10/18 keep in mind this pertains to fuel only >>> - ztunerz 10:08:06 06/11/18 I'd call it "TCL-FTBS". - not4resaleZ 11:00:49 06/11/18 that does not currently happen on any oem cars (n/m) - ztunerz 13:38:56 06/14/18 That's like driving a car by looking at the rearview mirror - sparkie 00:25:29 06/12/18 What if the ECA goes bad? There’s no way to do in a - not4resaleZ 07:16:19 06/12/18 Failed sensor would put the flex fuel vehicle into - BlackholeZ 15:05:21 06/12/18 Every high end race car "road tunes" to some effect.... - induetime 18:27:21 06/08/18 I love my EMU Black I got from Dogpile, it's been flawless - puchy 10:56:22 06/11/18 Re: I love my EMU Black I got from Dogpile, it's been flawless - Bad Fish 15:03:58 06/11/18 Im running dbw you know. Single motor pulling on both tbs... (n/m) - kickerzx 13:37:33 06/12/18 I'll be using both throttles independently of each other - dogpile 17:18:37 06/12/18 Yes. I made a big point to make it apear stock. (n/m) - kickerzx 00:03:49 06/13/18 Btw. Whats your motive behind making a true dual DBW setup? - kickerzx 07:20:43 06/13/18 Traction control, idle control, throttle body size upgrade - dogpile 07:54:42 06/13/18 I did it with the P&P adapter which they have and - puchy 16:41:32 06/12/18 Traction control is up to the user/tuner right now. - dogpile 18:06:45 06/12/18 Re: Traction control is up to the user/tuner right now. - Bad Fish 19:17:34 06/12/18 Didn’t you come to the SZ tuning we had a couple of - puchy 19:34:56 06/12/18 Mine should be ready by late summer / early fall - ni[X]it 07:37:04 06/19/18 Woot! (n/m) - dogpile 13:42:17 06/22/18 Not via written format in a public space, sorry. - dogpile 20:28:28 06/12/18 I would take it to you in Denton instead of the other guy - puchy 19:24:30 06/12/18 Zach doesn't have a dyno. Hell, the 1st year we were the US - dogpile 20:24:28 06/12/18
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