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      03-18-2012, 11:24 AM   #67
evoq007
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I emailed Rob and sent me v401 since I was having the ECU torque monitoring issue.
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      03-18-2012, 01:19 PM   #68
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Switched from a v3.01 custom map to v4.00 Stage 2 sports. Car made weird wastegate sound if throttle was blipped at idle. Switched to v4.00 Stage 1+FMIC Sport and sound went away.

4 days later, code P30FF, reduced power dash light and car tops out at 8PSI boost. Sounds like a wastegate is broken/not working somehow.

Coincidence? Probably ...
Still, another page in my ongoing Cobb saga.
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      03-20-2012, 05:46 PM   #69
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Hey Rob, 6 lbs max boost on version 400 IJCOS stage 1 aggressive LT
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      03-20-2012, 06:11 PM   #70
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I changed my sparkplugs and retunned with V4.00 Ijcos stage 1+ sport and the car feels amazing. Im really stoked on this tune. Im limited to 91 octane here in CA and had some missfires on cylinder 3 on stage 2 +sport. I removed the downpipes for a service and put on the stage 1+. There are no missfires what-so-ever and the car feels much healthier than the stage 2 + sport on 91. It was probably the new plugs that eliminated the miss fires but to be honest with the new flash, I dont think I want to go back to stage 2.

Quote:
Originally Posted by int2str View Post
Switched from a v3.01 custom map to v4.00 Stage 2 sports. Car made weird wastegate sound if throttle was blipped at idle. Switched to v4.00 Stage 1+FMIC Sport and sound went away.

4 days later, code P30FF, reduced power dash light and car tops out at 8PSI boost. Sounds like a wastegate is broken/not working somehow.

Coincidence? Probably ...
Still, another page in my ongoing Cobb saga.
P30FF is a boost leak. There are threads on how to search for leaks on here -

Did you have a downpipe install before the code? After my initial downpipe instal, the shop had the clamp rotate too much and it hit the waste gate actuators. I took the car back, had the shop rotated the clamps and the p30ff went away and the car drives great.
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      03-21-2012, 09:18 AM   #71
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Low Boost

Quote:
Originally Posted by llowlife View Post
Hey Rob, 6 lbs max boost on version 400 IJCOS stage 1 aggressive LT
Hey,

If you could, would you email me Jason\at/Cobbtuningdotcom and I will get you a new set of maps. The new v401 maps should be out very soon and will address this issue.

Thanks!
Jason
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      03-22-2012, 10:22 PM   #72
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Already got them. Thanks for the quick response.
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      03-25-2012, 04:35 PM   #73
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Just installed today the 4.01 beta available from the Cobb site for my I8A0S. Choose to go for the Stage 1 - Sport ST (on 94 octane).

After 45 mins of driving mix between highway and city I can say that the new 4.01 is better -- Super fast, smooth but aggressive at the same time (much faster than the old 3.01 for sure however i have no logs only feeling). No codes, no funny waste gate sounds. All was excellent only comment was that update was longer than usual (maybe 6-7 minutes).

Before I was on the 3.01 Aggressive Aggressive setting, I will stay on sport until Cobb releases the stable V4.0x before I go to Aggressive. This tune for sure though to me feels faster than the previous aggressive (4.01 sport Vs 3.01 Aggressive). The kick comes in early and is very responsive... If anyone can comment on 4.01 sport Linear Vs Sport Standard throttle it would be appreciated.

Great job Cobb. I can say that this is a good improvement and every time I say "I don't know how much better it can get", but it keeps on improving and getting better... Looking forward to the final V4.0x and get working on V5!

Thanks!

Last edited by Zeus78; 03-25-2012 at 04:55 PM..
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      03-25-2012, 05:10 PM   #74
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you guys got me drooling with envy in this tread sounds like the new v 4.01 stage 1+ is ass kicking!
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      03-26-2012, 08:00 AM   #75
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I've been running 4.01 for two days and it is by far the smoothest most OE tune feeling map that I have had to date. Fantastic job! I'm running Stage 2+ aggressive LT. No oscillation at any point and the car pulls nice and smooth from 1/4 throttle to WOT throughout the whole RPM band.
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      03-26-2012, 10:45 AM   #76
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my live monitoring of boost never shows a vacuum.. its always 0.0 or more, ideas? before running 4.01 and updating the AP software it worked fine (showed vacuum and psi)..

IJE0S running beta 4.01 LT aggressive with the most recent beta software for the AP..
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Last edited by igzekyativ; 03-26-2012 at 11:16 AM..
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      03-27-2012, 01:29 PM   #77
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Quote:
Originally Posted by WPG D33Z View Post
All maps are giving me boost leak errors but when I uninstall the car drives fine and no check engine light. With the tune it sounds really loud like the AC is on full when I floor it. Without the tune it's much quieter.
Since you can hear it its pretty obvious its a boost leak and not just an erroneous ECU issue. Boost leaks are not uncommon on any turbo car running higher boost levels.

Having the leak with the tune vs. not on stock is not weird or a tune issue, you simply have a connection that isn't on well enough to hold elevated boost levels.
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      04-22-2012, 08:40 AM   #78
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Any updates on the final release of 4.xx maps?
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      04-24-2012, 07:29 PM   #79
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Quote:
Originally Posted by Ziggy66
Any updates on the final release of 4.xx maps?
+1!!!
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      04-25-2012, 05:58 PM   #80
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N55 soon or I order a JB4?
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      04-28-2012, 06:33 PM   #81
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Anyone else compare:

3.01 Stage 1 Sport ST
to
4.01 Stage 1 + FMIC Sport ST?

I don't notice a power difference.

Stage 1 + FMIC should be much stronger than plain Stage 1?!?

Last edited by evilstib; 05-01-2012 at 08:55 PM..
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      05-01-2012, 08:53 PM   #82
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Quote:
Originally Posted by evilstib View Post
Anyone else compare:

3.01 Stage 1 Sport ST
to
4.01 Stage 1 + FMIC Sport ST?

I don't notice a power difference.

Stage 1 + FMIC should be much stronger than plain Stage 1?!?
+1
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      05-01-2012, 08:58 PM   #83
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I'm running the Stage 1 Aggresive Version 4 beta Map and is the only tune ive tried. I Love the instant TQ in the midrange for daily driving and literally live in part throttle boost. If there was any complaint, be it with the stock turbos or tune, but I REALLY hate the fact that the car "falls off" the last 2K RPMS... with all that midrange power the car feels like it is choking itself nearing redline. Is that the boost taper in the tune?
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      05-01-2012, 09:00 PM   #84
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That is your stock turbo running out of puff towards red line...

Get the Single turbo if you want the torque curve to go all the way up to red line
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      05-28-2012, 04:55 PM   #85
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Hello all. Im planning to pick up a AP next month while back in the States. I was looking at the website and wondering how you figure out the ECU code to choose from the list.



Is there somewhere i look on the car to get this information? Thanks in advance.
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      05-28-2012, 05:00 PM   #86
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Quote:
Originally Posted by Johnny-J5 View Post
Hello all. Im planning to pick up a AP next month while back in the States. I was looking at the website and wondering how you figure out the ECU code to choose from the list.



Is there somewhere i look on the car to get this information? Thanks in advance.
Plug the accessport into your car once you get it and it will recognize/display the ECU type.
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      05-29-2012, 04:31 AM   #87
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^^great thanks for the helpful information!
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      05-29-2012, 04:23 PM   #88
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Quote:
Originally Posted by igzekyativ View Post
my live monitoring of boost never shows a vacuum.. its always 0.0 or more, ideas? before running 4.01 and updating the AP software it worked fine (showed vacuum and psi)..

IJE0S running beta 4.01 LT aggressive with the most recent beta software for the AP..
Did you find out what was your problem? I have same on 401 with IJEOS. I emailed to Ian (COBB) he said it is normal on these cars to see it.
So is he saying that just to calm down some of us?
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