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Author Topic: Need someone to tune for backpressure  (Read 25635 times)
Sugar_Mist
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« on: March 22, 2016, 08:30:17 PM »

I have a  2001 1.8t gti with a stage 2 tune with a 3 inch ccalled downpipe. I was straight piped with stock exhaust diameter peaking at 21/22psi. I got a 2.25 inch MagnaFlow glass pack muffler(10425) to quiet the car down as it was too loud and now the car is misfiring above 15psi when cold.  When  the engine warms up the misfiring isn't as severe(no longer throwing me forward)  however the car seems to be restricted.  The boost Gauge reads 18-20psi however it struggled to accelerate. There are no misfire codes but there is a fuel trim code and an o2 sensor code. The o2 sensor is tuned out and I believe that is why those codes are up.  If someone can tune my car with the backpressure and tune out my engine code for the o2 sensor I will pay you. I have a vag cable so I would be able to log for you.
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nyet
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« Reply #1 on: March 22, 2016, 09:35:17 PM »

Likely unrelated to your exhaust.
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ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

Please 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
_nameless
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« Reply #2 on: March 23, 2016, 02:49:04 AM »

Do some reading, by your posts it shows your very inexpieranced. Learn how to use me7 logger and post a csv.
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Giving your mom a tuneup
Sugar_Mist
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« Reply #3 on: March 23, 2016, 12:56:11 PM »

Do some reading, by your posts it shows your very inexpieranced. Learn how to use me7 logger and post a csv.
Once I find my laptop charger I'll post a log if I can figure out how to
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Sugar_Mist
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« Reply #4 on: March 23, 2016, 02:58:40 PM »

Do some reading, by your posts it shows your very inexpieranced. Learn how to use me7 logger and post a csv.
Okay so I am trying to log with my vag kkl cable and it isnt showing up in nefMoto software. it works in vcds lite and I installed ftdi drivers.
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nyet
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« Reply #5 on: March 23, 2016, 03:39:12 PM »

me7logger is not nefmoto
http://s4wiki.com/wiki/Tuning#Logging_utilities
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ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

Please 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
Sugar_Mist
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« Reply #6 on: March 23, 2016, 04:00:57 PM »

Okay I managed to log in VCDS lite for you. I will try ME7Logger in a bit if I can get it to recognise the cable.
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vwaudiguy
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« Reply #7 on: March 23, 2016, 04:30:24 PM »

Okay I managed to log in VCDS lite for you. I will try ME7Logger in a bit if I can get it to recognise the cable.

Those logs don't have any important (usable) information. In addition, VCDS sampling rate is too low for your particular ecu, and important variables are not available for logging.
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"If you have a chinese turbo, that you are worried is going to blow up when you floor it, then LOL."
Sugar_Mist
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« Reply #8 on: March 23, 2016, 05:51:20 PM »

I try to read my ecu but my it won't connect to ecu??
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vwaudiguy
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« Reply #9 on: March 23, 2016, 05:54:00 PM »

but my it

I lost you bruh.
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Sugar_Mist
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« Reply #10 on: March 23, 2016, 06:47:08 PM »

Is my cable not supported? It works fine with VCDS but not with other programs.
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_nameless
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« Reply #11 on: March 24, 2016, 04:54:05 AM »

Log 31,20,115 2k-6k 3rd gear
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nyet
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« Reply #12 on: March 24, 2016, 09:42:07 AM »

Log 31,20,115 2k-6k 3rd gear

No, get ME7L working or sell the car.

Also, post the actual codes.
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ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

Please 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
vwaudiguy
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« Reply #13 on: March 24, 2016, 09:51:28 AM »

No, get ME7L working or sell the car.

Damn!  Grin
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"If you have a chinese turbo, that you are worried is going to blow up when you floor it, then LOL."
adam-
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« Reply #14 on: March 24, 2016, 10:15:34 AM »

Yikes, you invited me over to your house and I poured soda on your carpet.  Ordinarily you'd just have to get rid of the entire carpet, maybe even sell the house...
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