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Throttle cut analysis. O2 voltage and Correction factors right on the money

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Old 02-15-2006, 12:52 PM
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Default Throttle cut analysis. O2 voltage and Correction factors right on the money

CFs never exceed 10 and were generally below 8. 02 voltage looks dead on and I'm getting throttle cut like a truffala tree.

<img src="http://www.mcqfamily.com/allroad/Feb06%20O2%20Voltage%20with%20Throttle%20cut.jpg">
Old 02-15-2006, 01:42 PM
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Default From all the info I've read to date....

K04/16north seems to be on top of it. The CF's and the O2 looks normal. The piggy's allowed for better flow creating the boost spikes. Therefore an MBC/TCD would be the answer. This is assuming I've been able to follow along.
Old 02-15-2006, 01:43 PM
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Default you descibe it just like its my ar when I get the TC...

It came back today.. I was trying...

I was flogging it between 4000 and 5500 and in third I floored it. At about 5000 the turbos switched off. I had regular NA power.. the speed build up was like an a4 2.8 at 5000 rpm..

I eased off and shifted to 4th then 5th. And turbo power was back.
Old 02-15-2006, 02:27 PM
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Default Throttle cut is not that extreme. In less than a second the positive deviation goes away and boost

comes back online. what you describe seems different unless you backed off the moment it first happened so you didn't give it a chance to come back on. The VAG logging is the key to really seeing what is going on.
Old 02-15-2006, 02:47 PM
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Default All your graphs and data...

came from vag or ecux?
Old 02-15-2006, 03:14 PM
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VAG-COM. ECUx is much better, but I don't have......yet....
Old 02-15-2006, 03:24 PM
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Default Only reason I don't have it is it won't work on win 98, not going to buy another laptop just for dat

a logging. Maybe I could update my laptop though, just hate throwing money at Bill. : )
Old 02-15-2006, 03:52 PM
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Default I never got throttle cut w/downpipes,and exhaust using apr k03 software,don't think pillpusher does

either using giac x along w/downpipes, and exhaust, so I'm not sure why you are.
Old 02-15-2006, 03:53 PM
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Neither does dan farmer w/x,downpipes, and exhaust.
Old 02-15-2006, 05:01 PM
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Maybe EGT is another factor to cause throttle cut ???


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