S2000 Engine Management Engine management topics, map and advice.

Flashpro datalogs of 2 S2000's

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Old Nov 17, 2011 | 06:46 AM
  #31  
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Originally Posted by jh4db536
2) fuel pressure regulator. I use an adjustable one and constant pressure (no vacuum hose). The stock one rises with increasing pressure or decreasing vacuum from like 40psi idle to 50psi at wot. With this in the equation it is less likely to be simple math.
If you have an '06+, it doesn't have a vacuum controlled fuel pressure regulator. It's a returnless fuel system with a constant pressure regulated by the pump.
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Old Nov 19, 2011 | 10:18 AM
  #32  
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Originally Posted by gernby
I'm not aware of an OEM compatable aftermarket sensor that can be used in place of the OEM sensor to improve O2 accuracy. However, you can install an aftermarket wideband sensor and controller, and wire it into the ELD or ECT2 inputs on the ECU. However, that input won't be used by the ECU for anything at all. It will just show up in the FlashPro datalogs as an additional (3rd) O2 value.
with Flashpro we can say that this is out O2 input - in this case isn't it used to get lal the O2 readings????
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Old Nov 19, 2011 | 02:22 PM
  #33  
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Originally Posted by Croc
Originally Posted by gernby' timestamp='1321463059' post='21161003
I'm not aware of an OEM compatable aftermarket sensor that can be used in place of the OEM sensor to improve O2 accuracy. However, you can install an aftermarket wideband sensor and controller, and wire it into the ELD or ECT2 inputs on the ECU. However, that input won't be used by the ECU for anything at all. It will just show up in the FlashPro datalogs as an additional (3rd) O2 value.
with Flashpro we can say that this is out O2 input - in this case isn't it used to get lal the O2 readings????
I read your post a couple times earlier today, then read it again just now along with the post of mine that you quoted, but I can't figure out what you're saying or asking. The stock O2 sensor in the '06+ S2000s (in the US) have wideband O2's already.
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Old Nov 20, 2011 | 10:51 AM
  #34  
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sorry for messed up post.

i meant that if we tell Flashpro to use external o2 sensor - if we do this will the ECU use this external sensor to set AFR?

i see now you say it will not ...
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Old Nov 20, 2011 | 01:43 PM
  #35  
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When you connect an external wideband to ELD or ECT2, the ECU Quits using that input for anything. However, the flashpro is still able to datalog the input. I believe you could hook up any aftermarket sensor with a 0-5v output (EGT, oil pressure, etc), and it would work fine. I haven't confirmed it with hondata though...
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