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12-03-2012, 12:30 PM | #76 |
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Join Date: Mar 2010
Vehicle:2007 STI Limited |
Just came back from dealership
I had stage 2 for a while than removed it back to default after i got ticket.
In cold winter weather i hit car hard, car choked and than check engine came up. I went to subaru dealer so they can check it out. They immediately came by after few minutes of diagnostic saying it got to much boost that is why check engine came up and also I'm running different code than it should be on the car so they asked me if i modified something. I told them i had AP but i went to default after it. I have a chance still to buy warranty on my 07 (less than 30k) but not sure if i want to spend 2k for warranty that may be void in the future.
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12-11-2012, 08:14 PM | #77 |
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Vehicle:2012 WRX SWP |
This has been gone over an over, and if you search there is a thread that even states that SSM3 can detect something in the ecu. But there is a trick to beating that. If your stage2+ obviously more work has been done than the tune, stage 1 just reinstall factory tune and unmarry the AP the day or two prior and drive the car (if possible). Don't unmarry it in the parking lot.
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12-12-2012, 09:31 AM | #78 | |
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Location: Austin, TX
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Quote:
Bill |
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02-21-2013, 01:45 PM | #79 |
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Join Date: Sep 2012
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Apologies, Back from the Dead!
I searched for several hours, but can seem to get a concrete answer. My question is if the ECU is flashed to Stage 1 or 2 via Cobb AP does it make the ECU dumb? Meaning the ECU will not adjust Timing when it detects knock, it will only read the MAP(stage 1 or stage 2) that is flashed into the ECU no matter what. Will flashing eliminate "stored learned memory"? as the ECU learns as you drive and adjusts air/fuel, timing, etc based on sensor readings I'm hoping COBB can chime in this... sorry if this has been covered on a previous thread This is my first Subaru Sti I used to own an Acura RSX type-S supercharged tuned with Hondata Kpro. Hondata Kpro made the ECU dumb it only follows what ever is on the map. There are parameters though that you can set like Temperature compensation, Timing retard each gear and fuel cut-off when the AFR is too lean and many more. |
02-22-2013, 08:17 PM | #80 |
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Join Date: Oct 2012
Chapter/Region:
MAIC
Location: Ashland, VA
Vehicle:2012 WRX - BLK STIG Stg. 2 - 287whp/317wtq. |
The ECU will most certainly learn and try to adjust timing based on perceived knock events. It does this through the Dynamic Advance Multiplier (DAM.) If your tune isnt garbage then the ecu will be able to accomplish this. It is still imperative to address those issues as soon as they arise rather than just let the ECU handle it, but the ECU does indeed have some built in measure of self preservation. There are a couple posted logs right here within a few posts of this one that demonstate this.
I am stunned a supercharged honda's ECU would not even be able to compensate for bad gas.....sounds dangerous. |
02-25-2013, 10:04 AM | #81 | |
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Location: Austin, TX
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Quote:
The Accessport retains all the safety features and logic of the factory engine control unit (ECU). This means the knock correction and fuel learning functions (among many others) are retained. What we modify is the calibration data. The ECU has a number of tables which govern boost/fuel/ign. timing/cam. timing/throtle mapping/etc and we modify these for better performance and driveability and to work with specific modifications. Because we are modifying the calibration data (as Subaru would if they were making tuning changes for a car), all of the factory logic is retained. We do make code changes to allow for specific Cobb features like real-time tuning and the addition of launch control, but these do not impact the normal operation of the factory ECU other than allow you to use these features that would otherwise not normally be present. Bill |
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08-21-2013, 07:37 PM | #82 |
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Location: Florida
Vehicle:2012 WRX Hatch Obsidian Black Pearl |
Bringing this thread back from the grave! Now that v3 accessport is out any new changes over the v2 for turning the ecu back to stock?
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08-22-2013, 10:28 AM | #83 | |
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Quote:
Bill |
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08-23-2013, 12:35 AM | #84 |
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Member#: 344534
Join Date: Jan 2013
Vehicle:2009 Subaru Sti Blue |
I had a warranty claim for a 09 Sti denied because the dealer said that the car had been tuned (AP was uninstalled before the car was taken in). Did not get much for details out of them other than "the SoA claims manager said the ECU shows numbers that can tell them if it has been tuned or not" I never admitted to tuning the car.
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08-23-2013, 09:20 AM | #85 |
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To completely uninstall the version 2 or version 3 Accessport, you must select the Uninstall menu option on the Accessport (and confirm that the process completes). This will restore the ECU to the image that was backed-up during the install process. If you instead change to the "installed stock mode" map, this is not the same as the uninstall process.
When you reflash a map (when you change maps or install/uninstall the Accessport), the ECU will be reset. This happens regardless of the solution you use to tune the ECU. This is basically the same as if you disconnected the car's battery or reset the ECU via an OBDII scanner. The dealership has the ability to tell essentially when the ECU was last reset. So, depending on how much of a leap they are willing to make, they may infer that you had some kind of tune on there, even though this is not direct evidence. If that is combined with other evidence of hard parts mods (downpipe or intake) or evidence that mods were removed (ex. marks on downpipe bolts/nuts), that may increase the chances of a denial of a claim. Bill |
08-23-2013, 09:56 AM | #86 |
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Vehicle:2009 Subaru Sti Blue |
Makes sense.
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02-09-2014, 10:46 PM | #87 |
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SWIC
Location: SE, Arizona
Vehicle:2016 WRX STi Base Pure Red |
This is a great thread with lots of good information. I purchased my 2013 STi in August and have not installed any kind of modifications to date. Of course, as soon as I start becoming interested in "the scene" I hear about all this ringland failure business. Great. That's what I get for not doing my research before a big purchase like this. Anyhow...it seems that the Cobb AccessPort is an excellent way to combat the lean conditions that may lead to ringland failure. Therein lies the catch-22; keep it stock and risk ringland failure (crappy gas here in Arizona) or install the AP and risk warranty denial by SoA.
So, here's a question: what other actions can cause the ECU to reflash/reset? Disconnecting the battery appears to be one. How about those crappy OBDII scanners you can buy at Sears? If you were to plug one of those in just to monitor what is going on with your car, would that reflash/reset the ECU? I'm just wondering if there is some sort of scenario that could provide an owner with plausible deniability when taking their car in for service. Obviously, if you have a good relationship with your local dealership, honesty is the best practice, but you definitely have to protect yourself, your investment and your warranty. If it is possible for other devices to trip the SSM3 electronic nanny then that would give an owner possible recourse when being accused of modifying their car or "abusing" it. I just want to install the AP to prevent ringland failure and to have all the nifty gauges to see what is going on inside the beastie. regards, Joel |
02-09-2014, 11:26 PM | #88 |
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Member#: 360019
Join Date: Jun 2013
Location: Nnj
Vehicle:2013 Wrx |
Another ? For cobb. When uninstalling ap to original map does the ecu store how many miles the car had when last time flashed?
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02-10-2014, 11:14 AM | #89 |
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Vehicle:2015 Porsche Cayman |
It does not store mileage. The only thing it will show when you flash back to stock I believe are the ready codes for emissions.
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02-10-2014, 03:12 PM | #90 |
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Vehicle:2013 Wrx |
Ok was just curious. Ill probably go for stage 1 next year
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02-10-2014, 05:34 PM | #91 | |
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Quote:
- Chris Last edited by Cobb Tuning; 02-12-2014 at 03:22 PM. Reason: Incorrect information |
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02-11-2014, 11:35 AM | #92 |
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Location: Milwaukee, WI
Vehicle:2002 Impreza WRX Silver |
I've always wondered if dealers could
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02-11-2014, 04:10 PM | #93 |
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Tri-State
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Vehicle:2011 WRX DGM |
if they ever asked why the computer was flashed or reset simply say i unplugged the battery...
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02-11-2014, 04:30 PM | #94 |
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NESIC
Location: CT
Vehicle:2013 WRX Limited 2006 WRX |
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02-12-2014, 09:24 AM | #95 |
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Location: LSx allll done..need headers
Vehicle:Be in awe dont hate .) |
^^^ORRRRRR
Stop trying to make warranty claims after being stage 4 and tearing your **** up. When they do cover something under warranty.......its gonna be rushed...pushed to the side...and prolly halfassed anyways cuz the tech working on it isnt gonna make dick because warranty is gonna pay half of what it really takes. I wouldnt dare tear up something like a engine and take it in for "warranty" lol That pos will never be the same again. Now regular wear thats covered like noises and squeaks and ****...yeah thats fine. Im just not a fan of making false claims. |
02-12-2014, 10:20 AM | #96 | |
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Join Date: Oct 2013
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Location: CT
Vehicle:2013 WRX Limited 2006 WRX |
Quote:
I'm stage 1 and if my engine blows in warranty I'm not paying for it. I regularly log and I am knock free. If something goes wrong it's from a manufacturing defect. As soon as you go stage 2 and your swapping out DPs your going to leave tool marks and I believe engine warranty is pretty much hit or miss at that point. However going stage 1 to not use the stock tune that stays in closed loop fueling untill almost full boost... No thanks. |
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02-12-2014, 10:30 AM | #97 |
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Join Date: Jun 2013
Location: Nnj
Vehicle:2013 Wrx |
^you may have to pay for repairs. Seems like if soa is having a good day or not they will honor it.
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02-12-2014, 10:38 AM | #98 | |
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Join Date: Oct 2013
Chapter/Region:
NESIC
Location: CT
Vehicle:2013 WRX Limited 2006 WRX |
Quote:
I agree that heavily modding then getting warranty work is wrong... And fraudulent... However with a simple Ecu tune and clean safe logs I wouldn't hesitate for a second. They sold me a defective product and they will be paying to fix it. |
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02-12-2014, 03:22 PM | #99 | |
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Quote:
- Chris |
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02-12-2014, 03:27 PM | #100 |
Scooby Newbie
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Join Date: Jun 2013
Location: Nnj
Vehicle:2013 Wrx |
yea thats what i figured
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