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#4269817 - 12/08/16 05:38 PM Re: 02 Golf TDI, 185k on motor, 5200 mi on Rotella T6 [Re: Audios]
2004tdigls Offline


Registered: 10/31/11
Posts: 474
Loc: maple ridge, bc
GREAT NEWS

the reduced smoke is because the car is now running lean as it should

please post your uoa, the results should be better

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#4270613 - 12/09/16 05:47 PM Re: 02 Golf TDI, 185k on motor, 5200 mi on Rotella T6 [Re: 2004tdigls]
UltrafanUK Offline


Registered: 04/18/16
Posts: 985
Loc: England
That's an old paper and refers to only one type of EGR and engine. The reason the results are bad are that the oil used lacked enough detergents in comparison with the OCI.

Oddly enough you can get more wear from not cleaning the intake of general dirt than not cleaning the EGR!


Edited by UltrafanUK (12/09/16 06:01 PM)
_________________________
Shell Ultra 0 or 5w40 or Liqui Moly 5w40 plus Ceratec every long OCI.
LM idle flush every 100K km.

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#4270620 - 12/09/16 05:55 PM Re: 02 Golf TDI, 185k on motor, 5200 mi on Rotella T6 [Re: Audios]
UltrafanUK Offline


Registered: 04/18/16
Posts: 985
Loc: England
Good to hear that! So it seems you were driving around with the EGR stuck open all the time. That will foul it up and prevent it from burning clean.

I would advise folks to be careful changing the MAP in some engines and it's best to get a dealer or good tuning company to do it. If you make a mistake with a file address it can easily cause a limp mode fault or even start up failure.
Some MAP fiddles can save fuel during warm up, but they relate to the injectors and may not be OK in insurance terms as the engine tends to stall if you lift off the gas during warm up. I've got such a MAP tune of my TDI, BUT I turned it off for the TUV inspection and do have it listed as an engine MOD.
_________________________
Shell Ultra 0 or 5w40 or Liqui Moly 5w40 plus Ceratec every long OCI.
LM idle flush every 100K km.

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#4270966 - 12/10/16 09:01 AM Re: 02 Golf TDI, 185k on motor, 5200 mi on Rotella T6 [Re: Audios]
Audios Offline


Registered: 11/19/11
Posts: 807
Loc: Lyndhurst NJ
Things are probably much less stringent here in NJ, all they do is scan for CEL and check to make sure you have a catalyst installed. Thats about it. I have been noticing a slightly quicker warm up, is this possible with less egr? Im assuming from the higher combustion temps from the lean mixture?


Edited by Audios (12/10/16 09:01 AM)
_________________________
2002 VW Golf TDI-Mobil 1 5/40 TDT
2005 BMW M3 BMW Twin Power 10/60
1997 John Deere Gator 4x2
2007 Mercedes GL320 CDI Fuchs 5/40 GT Pro XTL

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