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TDI Power Enhancements Discussions about increasing the power of your TDI engine. i.e. chips, injectors, powerboxes, clutches, etc. Handling, suspensions, wheels, type discussion should be put into the "Upgrades (non TDI Engine related)" forum. Non TDI vehicle related postings will be moved or removed. Please note the Performance Disclaimer.

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Old March 31st, 2017, 16:08   #16
Vince Waldon
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Originally Posted by jshwamie View Post
All I know, I bought this car with the rc already applied and it hauled ass. Just now is bogging.
That's a clue. The tune has clearly not changed, but the car is performing worse. Suggests the engine has developed a technical problem... one that a tune from someone else won't likely resolve.

If you lost a quart of oil you should probably track it down... and if it is in your intercooler you'd probably better drain it before the engine ingests it and bends a rod or two.

And, if it's in your intercooler it likely got there from the turbo seal on its way out.... which means the turbo is on borrowed time before it *really* lets go and bends a rod or two.
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Old March 31st, 2017, 19:58   #17
jshwamie
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Quote:
Originally Posted by Vince Waldon View Post
That's a clue. The tune has clearly not changed, but the car is performing worse. Suggests the engine has developed a technical problem... one that a tune from someone else won't likely resolve.

If you lost a quart of oil you should probably track it down... and if it is in your intercooler you'd probably better drain it before the engine ingests it and bends a rod or two.

And, if it's in your intercooler it likely got there from the turbo seal on its way out.... which means the turbo is on borrowed time before it *really* lets go and bends a rod or two.
This is true. My problem is gaining access to a lift. That's what has been slowin me down. I should be able to get to the shop and check it out tomorrow. Ive been thinking about my car pulling a runaway on me too.. . I'll get back with the results of logging. Thanks for sticking with me all.
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Old April 1st, 2017, 09:53   #18
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Harbor Freight has ramps for about $30 or so. Plenty of space to slide under and work.
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Old April 1st, 2017, 15:00   #19
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Well your clutch is slipping, that much is obvious. Without posting a Group 11 log of a 3rd gear pull there's not much else we can help you with.
Okay well I have some logs here. Looks like they are in excel format. What is the best way to share files? Not seeing an attachment file button or anything. I have logs for 001 003 004 008 & 011.
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Old April 1st, 2017, 16:06   #20
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I installed a vacuum gauge to the line that goes to the actuator on the turbo to see what the n75 valve is actually doing to the turbo and making sure it's working properly.
Here is a video of me driving. The pressure goes steadily below 5. Is this normal? I'm thinking not.

https://youtu.be/ILi9OGmOXtw
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Old April 1st, 2017, 16:19   #21
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Here is a pic of my 011 log.

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Old April 1st, 2017, 16:41   #22
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19.5psi when requested is 17.7psi will shorten your turbo's life.
Make sure the actuator is adjusted correctly.
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Old April 1st, 2017, 18:12   #23
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Here are the others.

003 MAF


001


008


004 (this one came out weird. Might have to do another)


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Old April 2nd, 2017, 19:30   #24
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Quote:
Originally Posted by Vince Waldon View Post
That's a clue. The tune has clearly not changed, but the car is performing worse. Suggests the engine has developed a technical problem... one that a tune from someone else won't likely resolve.

If you lost a quart of oil you should probably track it down... and if it is in your intercooler you'd probably better drain it before the engine ingests it and bends a rod or two.

And, if it's in your intercooler it likely got there from the turbo seal on its way out.... which means the turbo is on borrowed time before it *really* lets go and bends a rod or two.
While you are right on the first part, every ALH out there has a puddle of oil in the intercooler and it's not from the turbo. It's from the CCV. It collects at the lowest point and there's always some in there. Waaay too many people have replaced turbos for no reason. I'm running one of those turbos that someone was throwing away on one of my cars. I've put 60k miles on it since the previous owner replaced the turbo because of oil in the intercooler.
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Old April 2nd, 2017, 19:54   #25
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Originally Posted by Kevinski4 View Post
While you are right on the first part, every ALH out there has a puddle of oil in the intercooler and it's not from the turbo. It's from the CCV. It collects at the lowest point and there's always some in there. Waaay too many people have replaced turbos for no reason. I'm running one of those turbos that someone was throwing away on one of my cars. I've put 60k miles on it since the previous owner replaced the turbo because of oil in the intercooler.
Yeah I at least know that much! Heh. I do think it's something mechanical at this point. Something is just off. I'm going to try taking off the stock air box and just let the pips vent open and drive on some pavement for a mile or so. See how it performs.

Does anyone know how to interpret those logs? I'm not sure really what I'm looking at as far as reading them and understanding what should be what, and when.

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Old April 2nd, 2017, 20:58   #26
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Originally Posted by Kevinski4 View Post
While you are right on the first part, every ALH out there has a puddle of oil in the intercooler and it's not from the turbo.
Just my opinion, but if someone loses 3/4 of a quart of oil in one week (per the OP's second post), and finds it sitting in their intercooler...well... my money's on it coming from the turbo, not the CCV. That would be awfully thick blowby.
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Old April 2nd, 2017, 21:47   #27
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19.5psi when requested is 17.7psi will shorten your turbo's life.
Make sure the actuator is adjusted correctly.
Thanks for the input. I will check this out. I know I have checked it and can see it went up and down a little, but haven't checked full motion. I took some pics, and there was a little oil between the exhaust and compressor housings. I'm thinking that shouldn't be there... Also the oil return line has oil on it.



Pic of oil return line.


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Old April 3rd, 2017, 13:45   #28
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Originally Posted by jshwamie View Post
Yeah I at least know that much! Heh. I do think it's something mechanical at this point. Something is just off. I'm going to try taking off the stock air box and just let the pips vent open and drive on some pavement for a mile or so. See how it performs.
Does anyone know how to interpret those logs? I'm not sure really what I'm looking at as far as reading them and understanding what should be what, and when. Sent from my SAMSUNG-SM-N920A using Tapatalk
Your problem isn't with the airbox as long as there is no obstruction.
Did you swap the MAF yet?
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Old April 3rd, 2017, 22:28   #29
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If you've checked for oil in your intercooler I've missed it. If you haven't yet checked this off your list, just drill a small hole in the smallest point of the intercooler pipe and see what drips out. When done put a small screw in the hole to close it. You can periodically check for oil this way.
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Old April 4th, 2017, 13:10   #30
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If you've checked for oil in your intercooler I've missed it. If you haven't yet checked this off your list, just drill a small hole in the smallest point of the intercooler pipe and see what drips out. When done put a small screw in the hole to close it. You can periodically check for oil this way.
Thank you for the input. I checked for this, this past weekend. No significant pooling. So not sure where that oil went.. I'm guessing it burnt up I guess, because there are no significant leaks. I'm hoping someone can help me understand those logs and offer some insight.
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