really really confused now...

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really really confused now...

Post by mikey_b6 on Thu Feb 21, 2013 2:04 pm

so heres a question better then the last. my target boost reads 14.8 on slwg map, map also says target boost should be 17.5. i am boosting 21.6 and the code for waste gate range performance pops, so do i use a hwg map cause 14.8 does not equal 17.5, or do i use lwg/slwg map cause 21.6 psi does not match 17.5. im really confused on which one is telling me what, the target boost is lower then it should be, and the boost is too high from what it should be. low or high? anyone with an idea, or a page to refer me to, or someone to talk to please let me know so i can figure out if im running the wrong map or just need to get protuned.
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Re: really really confused now...

Post by mikey_b6 on Thu Feb 21, 2013 2:05 pm

am i not hitting tb or and i exceeding tb? cause im doing both in my mind and need to get pointed in the right direction

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Re: really really confused now...

Post by mikey_b6 on Thu Feb 21, 2013 5:04 pm

sorry for seeming retarded but ive been doing day on day off cq so its hard to think these days

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Re: really really confused now...

Post by Chaz2.5 on Thu Feb 21, 2013 8:36 pm

Who's map are you using?

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Re: really really confused now...

Post by STi2eNvy on Thu Feb 21, 2013 11:48 pm

He is using Cobb OTS Maps that he downloaded. It sounds like maybe your boost control solenoid is defective or your wastegate just isnt doing its job?

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Re: really really confused now...

Post by mikey_b6 on Thu Feb 21, 2013 11:55 pm

thats what im thinking cause the severe low and low waste gate maps should change the performance but theyre now.

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Re: really really confused now...

Post by LaFuriaRoja on Fri Feb 22, 2013 12:16 am

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Re: really really confused now...

Post by mikey_b6 on Fri Feb 22, 2013 5:22 am

ok so what im seaing is ewg, cause everything else is a give and take, some are catless some arent, some are stock intake, some arent. i just wish there was 1 solid answer before i start spending money

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Re: really really confused now...

Post by mikey_b6 on Fri Feb 22, 2013 8:29 am

when i get off shift im gunna go data log a pull and see if i can make the code pop under data log, then im gunna swap intakes then try again. ill post up my data logs on nasioc to see if someone can point out where im going wrong. i really just hope i need protune, the ewg 3 bolt flange is like 350 bucks, and im not sure if that even comes with the wastegate

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Re: really really confused now...

Post by LaFuriaRoja on Fri Feb 22, 2013 9:27 am

Here are some of the common parameters that should be logged (3rd gear 2500-redline):
AF learning 1
AF Correction 1
AF sense 1 Ratio (AFR)
Boost
Calculated Load
Dyn adv. Mult.
Dynamic ADV.
Dynamic ADV Learn
Feedback knock
Fine knock learn
Ignition timing
Injector Duty Cycle
MAF
MAF Voltage
RPM
Throttle Pos
TD Boost Error

Good Luck!
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Re: really really confused now...

Post by mikey_b6 on Fri Feb 22, 2013 6:02 pm

see, 1-3rd is fine, no problems, i dont go over 18 psi in 3rd, its 4th and 5th that pop the code cause they jump to 20-21 psi, so i have to go about 80% accel position to be fine. i got my aem intake in with data log of it happening in 4th, then shifted to 5th and made it happen again so i could see whats up. gunna do my stock air box this weekend then try another data log. its going to be temperary till i can get protuned and ewg. just hate how common this is 08+

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Re: really really confused now...

Post by mikey_b6 on Fri Feb 22, 2013 6:04 pm

i got my prosport turbo blanket in yesterday, gunna put it on tonight/this wekend. does anyone think this will help or hinder my progress?

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Re: really really confused now...

Post by mikey_b6 on Sun Feb 24, 2013 10:14 am

so on yesterdays meet, we were talking about my issue and if i should get a manual boost controller, and i started explaining it a little more and john (bmw) said why dont you just shim the waste gate? boom, that sounds like a plan. so we shim it with 2 washers, and it dropped my boost from 21.6 to 20.8. i found out between cruces and trans mountain, if i boost 20.8 i pop the code, if i boost 20.7 i dont lol so im going to do one more thin washer today and that problem is solved till i can get my ewg and pro tune. thanks john!!!

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Re: really really confused now...

Post by mikey_b6 on Sun Feb 24, 2013 4:58 pm

ok, so i put another washer in to shim wastegate, took psi to 18.6 on the ap, still popped the code in 5th. data log shows 17.13 psi at the moment it happened. i have my datalog and going to try to upload it. im out of ideas

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Re: really really confused now...

Post by mikey_b6 on Sun Feb 24, 2013 5:14 pm


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Re: really really confused now...

Post by mikey_b6 on Sun Feb 24, 2013 5:15 pm

there it is, time was 79.2 when it popped.

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Re: really really confused now...

Post by mikey_b6 on Sun Feb 24, 2013 5:16 pm

im literally out of ideas now. please help me

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Re: really really confused now...

Post by LaFuriaRoja on Sun Feb 24, 2013 10:01 pm

Can't see the datalog you need to make it public. Oh and what gear were you in as you were logging?
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Re: really really confused now...

Post by mikey_b6 on Mon Feb 25, 2013 12:36 am

1-5, and ill go make it public right now

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Re: really really confused now...

Post by LaFuriaRoja on Mon Feb 25, 2013 7:52 am

Unfortunately it's still locked and is asking permission to access.
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Re: really really confused now...

Post by mikey_b6 on Mon Feb 25, 2013 9:05 pm

ok let me try again

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Re: really really confused now...

Post by mikey_b6 on Mon Feb 25, 2013 9:08 pm


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Re: really really confused now...

Post by LaFuriaRoja on Mon Feb 25, 2013 10:21 pm

Some observations: I'm not sure what map your running but its trying to pull boost (TD Boost Error in the -) throughout the rev range, steadily increasing as rpms climb. Your also seeing some knock at WOT. Additionally, the wastegate duty is dropping to about 20% indicating that the wastegate solenoid valve is almost fully closed (0=closed), which isn't necessarily bad, but your boost is still too high even the solenoid nearly closed. Tuners can set the value 0 to to help alleviate the problem but if your still overboosting then a tune will not fix it. I was hopping to see the injector duty cycle but that parameter was not logged. I wouldn't be surprised if your not maxing out your injectors with the mods you have. Again, your best bet would be to reinstall the stock intake and run the 91ACN low wastegate map and log separate 3rd and 4th gear logs from 2500 to redline. I good spot to do some runs is in the northeast on I54 just outside the city, there is very little traffic. Thats where I do all my runs.
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Re: really really confused now...

Post by mikey_b6 on Mon Feb 25, 2013 10:53 pm

yeah i meant to set the inj duty cycle on there but forgot. and i finally made up my mind to go ewg, so hopefully when i do that ill get tuned shortly after and ill have him mess with the duty cycle. the shimming seemed to help but also i realize its cold so its hard to see if im solid yet. i appriciate the look, and ill do those runs sometime this weekend and post them.

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Re: really really confused now...

Post by mikey_b6 on Mon Feb 25, 2013 10:54 pm

oh and map was stage 2 91 oct aem slwg

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