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masterj
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« on: May 02, 2013, 01:10:48 PM »
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Hi, guys!
Today I did some small logs to check if my load isn't limited by anything. So far so good, but I have question regarding rl variable.
rlmax_w, rlmx_w and rlsol_w follows maps as expected but I kinda am curious about rl. In my logs it is higher than all the others. Would that indicate something or am I just paranoid?
rl is created in BGSRM (haven't looked into this module yet). Any more insight into this whole module and how rl is created?
P.S> I've attached graph in question
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masterj
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« Reply #1 on: May 02, 2013, 01:14:37 PM »
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Found one more thing: injectors! They are directly affected by rl ir vice versa
Lambda correction is also going nuts...
stock MAF kinda not linear... Dunno if it is ok
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« Last Edit: May 02, 2013, 01:22:24 PM by masterj »
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nyet
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« Reply #2 on: May 02, 2013, 02:14:11 PM »
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Your MAF is likely reading high. Might want to scale it down a bit.
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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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masterj
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« Reply #3 on: May 02, 2013, 02:26:21 PM »
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Your MAF is likely reading high. Might want to scale it down a bit.
Nyet, my maf is STOCK. Also lambda correction goes up and then down without any reason. O2 sensor is brand new. Any ideas if bad maf could be reading HIGHER than supposed to?  Most of the times if they go bad they start to degradate and can't read high enough.... |
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« Last Edit: May 02, 2013, 02:32:04 PM by masterj »
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nyet
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« Reply #4 on: May 02, 2013, 02:42:10 PM »
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possibly boost leak then.
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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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lulu2003
Full Member
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Posts: 242
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« Reply #5 on: May 03, 2013, 01:16:20 AM »
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I checked the log and only find some WOT up to 3000rpm in 3rd gear.  your HFM read is not filtered, look at ml_w to get it more linear. or am I just paranoid? yes  |
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masterj
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« Reply #6 on: May 03, 2013, 02:55:05 AM »
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I checked the log and only find some WOT up to 3000rpm in 3rd gear. your HFM read is not filtered, look at ml_w to get it more linear. yes What about lambda correction?  |
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masterj
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« Reply #7 on: May 10, 2013, 02:47:08 PM »
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Did some better logs... In second and third gears wot. Please look at my WG duty cycle.... And also injector duty cycle is way to high... Stock torque, but bigger injectors now result in same DC.
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masterj
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« Reply #8 on: May 16, 2013, 09:17:15 AM »
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Changed FPR today (was giving a little bit too low fuel pressure). Nothing changed! One more thing that started to happen: After about one hour of non stop drive my car started getting random misfires on wot. Any ideas guys? Im attaching some small logs (in second gear though).
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nyet
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« Reply #9 on: May 16, 2013, 09:22:50 AM »
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misfires on wot.
Same old recommendations. plugs, coilpacks, POS (if you have them). Generally can't diagnose misfires from logs :/ |
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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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masterj
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« Reply #10 on: May 16, 2013, 11:34:34 PM »
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Same old recommendations.
plugs, coilpacks, POS (if you have them).
Generally can't diagnose misfires from logs :/
plugs and coilpacks <- brand new what is POS? I know only one definition of this and it isn't related to cars  P.S> Nyet, could you elaborate a little bit about wastegate before lin vs wastegate after lin in my logs? isn't before lin too low? |
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« Last Edit: May 16, 2013, 11:36:52 PM by masterj »
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IamwhoIam
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« Reply #11 on: May 17, 2013, 04:28:50 AM »
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Power Output Stage
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I have no logs because I have a boost gauge (makes things easier)
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nyet
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« Reply #12 on: May 17, 2013, 07:48:15 AM »
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could you elaborate a little bit about wastegate before lin vs wastegate after lin in my logs?
Err. It is PID output before/after KFLDRL :/ isn't before lin too low?
Depends on your PID tuning approach. |
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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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masterj
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« Reply #13 on: May 17, 2013, 01:38:42 PM »
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Err. It is PID output before/after KFLDRL :/
Depends on your PID tuning approach.
Thanks, now I see... Btw PID is completely stock as is turbo (K03). Yet I can't understant why wastegate DC isn't at 95 whenever I press gas pedal 100% and load haven't reached the target? |
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phila_dot
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« Reply #14 on: May 17, 2013, 01:50:42 PM »
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WGDC maintains boost pressure actual to target, not load.
Desired load is used for load realization. Throttle angle and boost pressure are calculated to meet filling requirement, but there is no actual vs requested.
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