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Snow Trooper
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« Reply #15 on: June 21, 2011, 11:23:37 AM »
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unless i have missed the variables, i cannot log bank 1 vs bank 2 injectors. I have ecux and vcds as far as vag specific logging goes.
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matchew
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« Reply #16 on: June 21, 2011, 11:30:38 AM »
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unless i have missed the variables, i cannot log bank 1 vs bank 2 injectors. I have ecux and vcds as far as vag specific logging goes.
Im not familiar with ECUx, See if you can monitor these 2 ram addresses, at the same time: 0x382366 0x382364 They are both 16-bit values. I think I can make your file run all 6 injectors as one bank, taking lambda control from B1 lambda sensors. |
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Snow Trooper
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« Reply #17 on: June 21, 2011, 11:33:53 AM »
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thanks, I will see what i can make happen. I may not be able to run the car for a day or two as i have a bunch of work interference. thanks for the lead and offer to look into it!
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Snow Trooper
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« Reply #18 on: July 09, 2011, 01:24:36 PM »
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I have been meaning to update this but I wanted to drive the car for a length of time and ensure it works under all conditions. All I did was eliminate my last factory sensor and now I run just the 5 wire VW wideband sensor. Through the Innovate LC-1 controller I use both analog outputs to simulate both primary sensors, feeding straight into both factory primary plugs. I have a voltage offset of .001v between the sensors so that the ecu always thinks there are truly two different sensors actively reading the two different banks.
I turned off the interchanged sensor diag functions via:
CDLSHV - from 1 to 0
CDLSVV - from 0 to 1
I also turned off the cat heater diag functions as the heater power and ground go to no where in my wiring now:
CDHSV - from 1 to 0
CDHSVE - from 1 to 0
Thus far everything has seemed to be good, I have active and stable readings on STFT all coming from one cheap and easy to replace sensor that does a much better job at actually reading AFR and that I was using anyway. Through testing I feel confident this is a good work around for people needing to control both banks through one downpipe/turbo or even just want to put a singe sensor at a y-merge from their two downpipes to get a simpler system.
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Low01Turbo
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« Reply #19 on: July 09, 2011, 05:58:53 PM »
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The banks are split as far as injection goes, thus, you'll need a lambda sensor for each bank. This is why many people go with a stand-alone or piggy-back with a radical setup... it's easier to make it do what you want.
I don't really see an issue with welding an extra bung onto the test pipe and just running both O2s in the same pipe... it's a compromise, but not having a lambda sensor for each bank is also a compromise. Running two in the same pipe or patching the signal from one will have the same effect... either way, one bank will almost always be a little different. You'll just have to tune a bit fat to compensate. The banks are never perfectly balanced.
Extreme setups ADD wide-band lambda sensors... not remove them. Some really awesome setups now have a sensor for EACH CYLINDER!!!... as it allows for better, more precise tuning (I imagine Bosch will get there one day, and have thousands of maps for each cylinder!).
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Low01Turbo
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« Reply #20 on: July 09, 2011, 06:01:31 PM »
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P.S... posted before I read page 2. Happy to hear you solved the issue.
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paracaidista2.7T
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« Reply #21 on: July 31, 2011, 07:11:29 AM »
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I think the key to doing this as it was intended is in CWKONLS, Codeword: Configuration of lambda sensors. I believe that this value for 1 pre-cat and 1 post-cat sensor should be 3. This should allow post-cat input in lambda regulation. I am not certain, but I think this value can also be set for wideband in lieu of narrowband O2 sensors, I need to investigate this further.
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Snow Trooper
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« Reply #22 on: July 31, 2011, 11:21:02 AM »
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Cool info, I still want to try and getting true single bank working. I will try out some different values.
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phila_dot
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« Reply #23 on: July 31, 2011, 12:18:20 PM »
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I think the key to doing this as it was intended is in CWKONLS, Codeword: Configuration of lambda sensors. I believe that this value for 1 pre-cat and 1 post-cat sensor should be 3. This should allow post-cat input in lambda regulation. I am not certain, but I think this value can also be set for wideband in lieu of narrowband O2 sensors, I need to investigate this further.
So, does CWKONLS set the bits B_lsv, B_lsv2, B_lsh, and B_lsh2? A value of 1 for B_lsv (B1 S1), 16 for B_lsv2 (B2 S1), 2 for B_lsh (B1 S2), and 32 for B_lsh2 (B2 S2)? The original value of 51 sets the bits for all four sensors? Have you done any testing with this? |
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« Last Edit: July 31, 2011, 12:20:00 PM by phila_dot »
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paracaidista2.7T
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« Reply #24 on: July 31, 2011, 12:25:10 PM »
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Yes, it sets the bits mentioned. I haven't tested it yet because my car is on a ship.
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Jason
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Breaks everything!
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« Reply #25 on: July 31, 2011, 01:51:01 PM »
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I am not certain, but I think this value can also be set for wideband in lieu of narrowband O2 sensors, I need to investigate this further.
for lambda fueling or? I thought somebody here confirmed this was impossible before. |
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paracaidista2.7T
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« Reply #26 on: July 31, 2011, 03:20:10 PM »
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I stand corrected, Jason you are right, I misunderstood something I was reading.
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Snow Trooper
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« Reply #27 on: August 03, 2011, 08:24:16 PM »
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noob response time... I cant find CWKONLS
help?
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phila_dot
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« Reply #28 on: August 03, 2011, 09:23:46 PM »
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noob response time... I cant find CWKONLS
help?
code word for configuration lambda sensor 181BB |
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Snow Trooper
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« Reply #29 on: August 03, 2011, 10:42:31 PM »
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181BB...
thats what I needed, thanks and found it. I will try out a few different things tomorrow.
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