Ken-1
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« Reply #15 on: August 15, 2015, 01:49:45 AM »
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Hello,
I copied the IOP and IRL from the defined 225hp 1.8t, last row i increased on both. But still timing during third gear as attached.
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Ken-1
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« Reply #16 on: August 23, 2015, 12:02:04 PM »
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Hello,
What kind of approach would you recommend I take to tuning IRL and IOP to remove the timing oscillations? I tried to read up a bit regarding it and put the following maps in the software:
LDRXN requests up to ~220 in load, in IOP the axis is modified so it goes up to 260, with IRL going up to 290 in the last row. Most of the IOP and IRL is stock, this does anyhow not seem to help, still timing is oscillating. Could this be due to me getting 230 in EngineLoad even though Engine LoadRequested is 220.
Should I decrease IOP axis? Or decrease request in IRL? What could help? LDRXN is as high as I can have with the stupid 2560 limitation.
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nyet
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« Reply #17 on: August 23, 2015, 12:04:06 PM »
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Honestly, you're going to have to find the ram locations of things to log....
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ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease do not ask me for tunes. I'm here to help people make their own. Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
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Ken-1
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« Reply #18 on: September 17, 2015, 12:48:26 PM »
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Hello,
Still having this issue, would it be possible to disable torque monitoring all the way? Now when I do not know how to log what is really the problem, missing some ram-locations.
I have KFMIZUOF at 99.6 %
TMNSMN seems to be -30 already in the bin I use, if it is at 0122E
TANSMN seems impossible to find, needed to disable the torque monitoring?
Any suggestions?
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SB_GLI
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« Reply #19 on: September 17, 2015, 01:23:37 PM »
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I'm not sure it's your problem, but your IRL/IOP values seem pretty darn high to me. 260 IOP axis and 290 in IRL are pretty high. You might want to try taming these values... the IOP load axis shares it's axis with KFZWOP/2 as well, so unless you scaled all of those to match your increased axis, that might be giving you grief.
Also, what kind of MAF are you running? If your load is too high, perhaps you have you MAF scaled incorrectly?
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nyet
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« Reply #20 on: September 17, 2015, 01:26:51 PM »
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I'm not sure it's your problem, but your IRL/IOP values seem pretty darn high to me. 260 IOP axis and 290 in IRL are pretty high. You might want to try taming these values... the IOP load axis shares it's axis with KFZWOP/2 as well, so unless you scaled all of those to match your increased axis, that might be giving you grief.
Also, what kind of MAF are you running? If your load is too high, perhaps you have you MAF scaled incorrectly?
Agree with both of these. That IRL seems completely insane. Without the 5120 hack, you should really never request more than about 195-200 load. Also, if you can't find ram locations to debug torque intervention, slightly underscaling the MAF is a good idea. You won't see any side effects, you'll just have to pull back krkte a tad. |
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Ken-1
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« Reply #21 on: September 17, 2015, 01:35:29 PM »
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I'm not sure it's your problem, but your IRL/IOP values seem pretty darn high to me. 260 IOP axis and 290 in IRL are pretty high. You might want to try taming these values... the IOP load axis shares it's axis with KFZWOP/2 as well, so unless you scaled all of those to match your increased axis, that might be giving you grief.
Also, what kind of MAF are you running? If your load is too high, perhaps you have you MAF scaled incorrectly?
Hello, Maf is standard RS4, should not be anything strange. Ok, yes the IOP axis is a bit high, maximum load requested is ~220 but engine load is ~230. Is this deviation the reason for the timing being pulled? KFZWOP seems to be very flat in the high load area, should not cause issues or? So, suitable max IOP would be maybe 240? |
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Ken-1
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« Reply #22 on: September 17, 2015, 01:40:41 PM »
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....slightly underscaling the MAF is a good idea. You won't see any side effects, you'll just have to pull back krkte a tad.
Ok, will try with underscaled maf, seems like a good suggestion. The 5120 hack would of course be the correct way but I do not have nearly enough maps defined to do this. So with current poor knowledge, no thanks =) How bad underscaling have people been able to use with good result? 10 % at high load, 20 % more? |
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SB_GLI
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« Reply #23 on: September 17, 2015, 01:44:29 PM »
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you are requesting 220 and getting 230. underscale it so you are slightly under 220. about 0.9565217391304348 or so, give or take a percent.  |
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Ken-1
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« Reply #24 on: September 17, 2015, 01:49:09 PM »
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you are requesting 220 and getting 230. underscale it so you are slightly under 220. about 0.9565217391304348 or so, give or take a percent. Thats not percent, thats parts  Ok, will make a suitable underscaling in the affected areas. is it better to gradually take down MAF readings when reaching high load and fix eventual problems with FKKVS or is the way to go to do it over the whole measurement area and adjust KRKTE? |
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nyet
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« Reply #25 on: September 17, 2015, 01:59:18 PM »
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This is kinda crazy, i'd not expect to have to request 220 load to get 2500 mbar req boost. Then again, maybe i'm crazy.
Also, on an unrelated note, is it possible you are leaking air post maf, making load read artificially high?
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« Last Edit: September 17, 2015, 02:01:00 PM by nyet »
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ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease do not ask me for tunes. I'm here to help people make their own. Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
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SB_GLI
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« Reply #26 on: September 17, 2015, 02:24:26 PM »
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depends on what his MAF readings are. "big turbos" pump a lot of air, and there's your high load numbers.
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nyet
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« Reply #27 on: September 17, 2015, 02:26:41 PM »
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depends on what his MAF readings are. "big turbos" pump a lot of air, and there's your high load numbers.
Yea. I'm too used to 2.7t numbers as well, so maybe ignore some of the crap I'm spewing here :/ |
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ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease do not ask me for tunes. I'm here to help people make their own. Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
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SB_GLI
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« Reply #28 on: September 17, 2015, 02:51:55 PM »
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Thats not percent, thats parts Ok, will make a suitable underscaling in the affected areas. is it better to gradually take down MAF readings when reaching high load and fix eventual problems with FKKVS or is the way to go to do it over the whole measurement area and adjust KRKTE? Personally, I would underscale high load areas and account for fueling with FKKVS. |
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nyet
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« Reply #29 on: September 17, 2015, 05:55:25 PM »
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Personally, I would underscale high load areas and account for fueling with FKKVS.
I still think something is wrong with his maf scaling as a whole... if the entire thing needs to be adjusted, then KRKTE But he hasn't said (I don't think) what injectors/maf he is using.. |
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ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease do not ask me for tunes. I'm here to help people make their own. Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
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