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#4720139 - 04/08/18 03:48 AM Fuel injector cleaners change oil viscosity???
crazy_raccoon Offline


Registered: 08/26/17
Posts: 88
Loc: USA
I keep reading about this but most of it was speculation. Does anyone know if Techron, Lucas and other brands change viscosity or even thin out motor oil?
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- 98K miles
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#4720169 - 04/08/18 04:53 AM Re: Fuel injector cleaners change oil viscosity??? [Re: crazy_raccoon]
ctechbob Offline


Registered: 06/12/04
Posts: 171
Loc: Athens, GA
I haven't heard that, but ages ago I'd read some mentions of Techron showing increases in lead in UOA's when used right before a change. Never really did any reading or searching on it, but if I use Techron I'll do it right before an oil change and not think twice.
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2008 Acura TL Type S - 140k
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#4720170 - 04/08/18 04:53 AM Re: Fuel injector cleaners change oil viscosity??? [Re: crazy_raccoon]
Char Baby Offline


Registered: 05/25/05
Posts: 10077
Loc: ROCHESTER, NY
Although I don't really know the answer to our question, most of the more highly regarded fuel system cleaners such as Techron, SeaFoam, Lucas Regane etc., or any of the other hundreds of products, typically mention to use prior to doing your next oil change as it does pollute the oil(this is me talking) during usage, as we do get fuel dilution in our oil. So, maybe the answer is YES!


Edited by Char Baby (04/08/18 05:00 AM)
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#4720258 - 04/08/18 07:54 AM Re: Fuel injector cleaners change oil viscosity??? [Re: crazy_raccoon]
webfors Offline


Registered: 06/06/06
Posts: 4955
Loc: Great White North.. eh
Less about viscosity change, more about introducing byproducts into the oil.
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#4720334 - 04/08/18 09:14 AM Re: Fuel injector cleaners change oil viscosity??? [Re: webfors]
andyd Offline


Registered: 09/25/04
Posts: 7273
Loc: Marshfield , MA
Originally Posted By: webfors
Less about viscosity change, more about introducing byproducts into the oil.
Doesn't it evaporate when the oil gets hot?
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#4720514 - 04/08/18 12:20 PM Re: Fuel injector cleaners change oil viscosity??? [Re: andyd]
OneEyeJack Offline


Registered: 09/14/10
Posts: 7485
Loc: S California
Originally Posted By: andyd
Originally Posted By: webfors
Less about viscosity change, more about introducing byproducts into the oil.
Doesn't it evaporate when the oil gets hot?


PEA is a nitrogen-based detergent stable enough to survive the harsh conditions of a combustion chamber and may not evaporate as you'd expect inside your fuel system. It works by attaching itself to carbon deposits and starting the process of removing them. PEA also can attach itself to other parts of the fuel system creating a barrier against future deposits. A fuel system additive containing PEA should be safe even when overdosed a bit. If your fuel system additive does not contain PEA you're wasting your money.

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#4722418 - 04/10/18 07:00 AM Re: Fuel injector cleaners change oil viscosity??? [Re: OneEyeJack]
ChrisD46 Offline


Registered: 09/10/10
Posts: 1929
Loc: GA.
+1 great post !
Originally Posted By: OneEyeJack
Originally Posted By: andyd
Originally Posted By: webfors
Less about viscosity change, more about introducing byproducts into the oil.
Doesn't it evaporate when the oil gets hot?


PEA is a nitrogen-based detergent stable enough to survive the harsh conditions of a combustion chamber and may not evaporate as you'd expect inside your fuel system. It works by attaching itself to carbon deposits and starting the process of removing them. PEA also can attach itself to other parts of the fuel system creating a barrier against future deposits. A fuel system additive containing PEA should be safe even when overdosed a bit. If your fuel system additive does not contain PEA you're wasting your money.
_________________________
2017 Hyundai Sonata 2.4L GDI 4 cylinder
2010 Hyundai Elantra 2.0L 4 cylinder
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