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Author Topic: MSLUB zero'd but still getting insufficient flow codes  (Read 6828 times)
digitalhippie
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« on: September 01, 2014, 07:31:36 PM »

Working on my 01 Allroad 2.7T, using 551L as a base file.  Not tuning really at this point, just trying to get rid of some emissions codes.  Set CDATR and CDATS to zero to remove the EGTs, and I set the MSLUB table to 0.  But I'm still getting secondary air insufficient flow codes for both banks.  What am I missing?  The SAI pump, hoses, and combi-valves have all been removed... and 034 block-off plates installed.

On a related topic - I have a warm up catalyst code.  Is there a way to code out just the pre-cats?  Or do I have to code out the cat checks completely?
« Last Edit: September 01, 2014, 07:33:50 PM by digitalhippie » Logged
ddillenger
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« Reply #1 on: September 01, 2014, 07:32:44 PM »

You need to unplug the pump. Insufficient flow works both ways!
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digitalhippie
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« Reply #2 on: September 01, 2014, 07:34:11 PM »

Sorry, was just editing my post.  Pump is gone, removed.

« Last Edit: September 01, 2014, 07:40:17 PM by digitalhippie » Logged
digitalhippie
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« Reply #3 on: September 01, 2014, 07:46:24 PM »

Maybe I got my MSLUB wrong?  Is there an XDF with that parameter defined?
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ddillenger
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« Reply #4 on: September 01, 2014, 07:47:39 PM »

Post the file you 00'd it. I will look.
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digitalhippie
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« Reply #5 on: September 01, 2014, 07:48:47 PM »

Attached.  If I did something wrong, please let me know... trying to learn as much as I can here.  Thanks for your help.
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ddillenger
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« Reply #6 on: September 01, 2014, 08:42:20 PM »

MSLUB is correct, which means I kinda doubt the codes-lol

Do you have a VCDS scan?

Considering ESKONF is stock, I find it more plausible you have circuit codes and possibly just read it wrong?
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digitalhippie
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« Reply #7 on: September 01, 2014, 08:43:47 PM »

I didn't save the scan.  I'm sure the code will come back tomorrow...
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digitalhippie
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« Reply #8 on: September 02, 2014, 09:21:23 AM »

Returned as predicted


Tuesday,02,September,2014,12:18:56:14873
VCDS Version: Release 12.12.3 (x64)

                Address 01: Engine       Labels: 078-907-551-AZA.lbl
Control Module Part Number: 8D0 907 551 L
  Component and/or Version: 2.7l V6/5VT     G   0001
           Software Coding: 06752
            Work Shop Code: WSC 87119  
                      VCID: 336F614D010F718656F-5120
9 Faults Found:

17831 - Secondary Air Injection System; Bank 1
            P1423 - 35-00 - Insufficient Flow
17819 - Secondary Air Injection System; Bank 2
            P1411 - 35-00 - Insufficient Flow

17965 - Charge Pressure Control
            P1557 - 35-00 - Positive Deviation
16815 - Warm Up Catalyst; Bank 2
            P0431 - 35-00 - Efficiency Below Threshold
16684 - Random/Multiple Cylinder Misfire Detected
            P0300 - 35-00 -
16688 - Cylinder 4
            P0304 - 35-00 - Misfire Detected
16690 - Cylinder 6
            P0306 - 35-00 - Misfire Detected
16689 - Cylinder 5
            P0305 - 35-00 - Misfire Detected
17658 - Fuel Level too Low
            P1250 - 35-00 -

Readiness: 0000 1000


So I definitely didn't read it wrong.
« Last Edit: September 02, 2014, 09:23:14 AM by digitalhippie » Logged
digitalhippie
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« Reply #9 on: September 02, 2014, 07:10:45 PM »

Any ideas?
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ddillenger
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« Reply #10 on: September 02, 2014, 08:08:50 PM »

Any ideas?

MSLBAS

183CC

Factor .4x

Try 00'ing that.
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digitalhippie
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« Reply #11 on: September 02, 2014, 08:33:43 PM »

Forgive my stupid question, but since that's not defined in the xdf I have...

Is that a scalar or table?  How many bytes?  Not sure what you mean about factor .4x?
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nyet
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« Reply #12 on: September 02, 2014, 10:25:26 PM »

Forgive my stupid question, but since that's not defined in the xdf I have...

Is that a scalar or table?  How many bytes?  Not sure what you mean about factor .4x?

I'm assuming its a scalar from his description. The factor is what you put in the scalar def so TP/WinOLS converts it to a proper value for display

Looks like it is 8-bit btw.
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« Reply #13 on: September 02, 2014, 10:34:11 PM »

Nye's right. Scalar, 8 bit. units are kg/h.

Sorry about that. Forget sometimes not everyone is an advanced user Smiley
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digitalhippie
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« Reply #14 on: September 03, 2014, 04:57:14 AM »

Thank you both, I'll give it a shot
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