Honda b16a sir2 live readings ,

hi can someone please tell me if the data in my video is good or bad for honda civic b16a sir2, just some normal driving with some pulls
I'm trying to learn how to read data LTFT AND STFT I have not reset my ecu for over 6 weeks but my LTFT is still at 0% ? Is that normal?
Sorry the video misaligned.

Hey Lee, welcome to the forums!

That data looks good from where I'm sitting. Load went high during your WOT run, short terms were always in a reasonable range, and the O2 seems to react quickly enough.

I don't see long term trims in the video you posted? Did I miss it, os there another video to watch? Anyway, the long term staying at zero can actually be a good sign, as the PCM may not see any need to change it. This would indicate very good fuel control overall.

Hi thanks for the reply
That's what I thought was strange or not ,
The LTFT has been at zero since I connected
The data reader to port ,
And iv not reset LTFT for nearly 6 or 7 weeks ,
Surely it would read something since then ?
Again thanks for the quick reply and help ,
I'm still getting on very very odd occasions
I get a lumpy start when hot and sitting for 5 or so minutes, iv not yet caught it on data as of yet,
So all is running well for 20 year old engine which is not surprising for honda , with the high load numbers does that look normal? If not what would cause high load @ part trottle and half trottle?
All the best and kind regards lee

Lee wrote: So all is running well for 20 year old engine which is not surprising for honda , with the high load numbers does that look normal? If not what would cause high load @ part trottle and half trottle?

Actually, I'm glad you pointed that out! I missed the throttle position behavior the first time around. Starting at around 19 seconds, were you actually at 50% throttle, or were you actually at WOT? Initially, I thought you were at wide open due to the Engine Load, but that may not be true.

Load is a calculated value, based on engine speed, MAP and TPS, and therefore won't always directly correlate with throttle position. In your case, I think you were seeing high load at 19 seconds in because you were already moving (50-ish KPH) and in a higher gear (2nd, 3rd?). This loads the engine heavily with marginal throttle input. Make sense?

As for the long term trims, do you have some kind of chip or programmer on this one? It may be that long term correction has been programmed out, or the ECM is never entering the conditions necessary to update the long term trims.

FYI; I moved this on over to the repair questions section

Yes the high load makes sense now I guess,
I never went into wot on that run ,
But with it been a 1600cc and very keen on high revs the load makes sense,
No iv no after market map or ecu ,
Standard ecu , so I'm guessing the LTFT sees no need to make adjustments if my fueling and AF mix is very normal/good ?
That would be a good sign I suppose?
But to know for sure I'd need a wideband sensor.
Thanks for the reply and information
Kind regards Lee.
Ps , now that my car is in the to be fixed section
I guess I need to find something that actually is broken lol

No problem, but I'm not to sure anything is broken, it was really a question of if someone could read the data and let me know how it looks , onless you see something that we have missed?
All the best lee .