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Used oil smell #4470246
07/25/17 05:20 PM
07/25/17 05:20 PM
Joined: Jun 2017
Posts: 30
Canada
jbutch Offline OP
jbutch  Offline OP
Joined: Jun 2017
Posts: 30
Canada
Hi everyone,

I just changed the oil on a honda gx340 engine and I found that the oil that came out had a somewhat strong smell of alcohol.

Any idea what could be causing that and is that harmful to the engine?

Thanks

Re: Used oil smell [Re: jbutch] #4470285
07/25/17 06:04 PM
07/25/17 06:04 PM
Joined: Jun 2015
Posts: 4,225
New England
Virtus_Probi Offline
Virtus_Probi  Offline
Joined: Jun 2015
Posts: 4,225
New England
You sure it wasn't coolant???


2014 Forester XT, 86000 miles
Last Change;
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Tokyo Roki 15208AA170 filter
Re: Used oil smell [Re: jbutch] #4470287
07/25/17 06:05 PM
07/25/17 06:05 PM
Joined: Sep 2016
Posts: 1,418
Minnesota
bioburner Offline
bioburner  Offline
Joined: Sep 2016
Posts: 1,418
Minnesota
Hard to know what your sniffer is smelling and what was put in before. Heard of stupid things being added. Probably the worst one posted here was of washer fluid to a engine.
I know brake fluid smells of alcohol

Last edited by bioburner; 07/25/17 06:06 PM.


97 Ford E350 D,99 F350 dually D
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Re: Used oil smell [Re: jbutch] #4470329
07/25/17 07:12 PM
07/25/17 07:12 PM
Joined: Jun 2017
Posts: 30
Canada
jbutch Offline OP
jbutch  Offline OP
Joined: Jun 2017
Posts: 30
Canada
No coolant for sure.

Dont think anything was added.

Maybe its gas and my nose aint the best haha

Re: Used oil smell [Re: Virtus_Probi] #4470337
07/25/17 07:24 PM
07/25/17 07:24 PM
Joined: Mar 2008
Posts: 5,841
South Florida
bubbatime Offline
bubbatime  Offline
Joined: Mar 2008
Posts: 5,841
South Florida
Originally Posted By: Virtus_Probi
You sure it wasn't coolant???


On an air cooled engine that would be quite impressive.


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Re: Used oil smell [Re: bubbatime] #4470385
07/25/17 08:25 PM
07/25/17 08:25 PM
Joined: Jan 2017
Posts: 1,139
USA
ArcticDriver Offline
ArcticDriver  Offline
Joined: Jan 2017
Posts: 1,139
USA
Originally Posted By: bubbatime
Originally Posted By: Virtus_Probi
You sure it wasn't coolant???


On an air cooled engine that would be quite impressive.


That's funny.


Multiple Diesel and Gasoline vehicles
Re: Used oil smell [Re: jbutch] #4470456
07/25/17 09:39 PM
07/25/17 09:39 PM
Joined: Dec 2016
Posts: 6,266
Waco, TX
Linctex Online content
Linctex  Online Content
Joined: Dec 2016
Posts: 6,266
Waco, TX
Does this engine run at light loads regularly? Like a cement mixer?


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Used oil smell [Re: Linctex] #4470570
07/26/17 03:21 AM
07/26/17 03:21 AM
Joined: Jun 2017
Posts: 30
Canada
jbutch Offline OP
jbutch  Offline OP
Joined: Jun 2017
Posts: 30
Canada
Originally Posted By: Linctex
Does this engine run at light loads regularly? Like a cement mixer?


Nope, its from a snowblower

Re: Used oil smell [Re: bioburner] #4470647
07/26/17 07:29 AM
07/26/17 07:29 AM
Joined: Jun 2017
Posts: 30
Canada
jbutch Offline OP
jbutch  Offline OP
Joined: Jun 2017
Posts: 30
Canada
Originally Posted By: bioburner
Hard to know what your sniffer is smelling and what was put in before. Heard of stupid things being added. Probably the worst one posted here was of washer fluid to a engine.
I know brake fluid smells of alcohol


I know the person that had the snowblower its on and I know he was only putting genuine honda oil and nothing else

Re: Used oil smell [Re: jbutch] #4471838
07/27/17 10:32 AM
07/27/17 10:32 AM
Joined: Apr 2014
Posts: 609
MN
ironman_gq Offline
ironman_gq  Offline
Joined: Apr 2014
Posts: 609
MN
I'd say it's from ethonol fuel and probably nothing to worry about.

Re: Used oil smell [Re: ironman_gq] #4472019
07/27/17 01:46 PM
07/27/17 01:46 PM
Joined: Jun 2017
Posts: 30
Canada
jbutch Offline OP
jbutch  Offline OP
Joined: Jun 2017
Posts: 30
Canada
Originally Posted By: ironman_gq
I'd say it's from ethonol fuel and probably nothing to worry about.


It makes sense, but is it normal it makes its way to the oil?

I'll be going ethanol free on all my small engine.

Re: Used oil smell [Re: jbutch] #4472617
07/28/17 02:52 AM
07/28/17 02:52 AM
Joined: Oct 2010
Posts: 931
South Eastern, CT
AMC Offline
AMC  Offline
Joined: Oct 2010
Posts: 931
South Eastern, CT
Originally Posted By: jbutch
Originally Posted By: ironman_gq
I'd say it's from ethonol fuel and probably nothing to worry about.


It makes sense, but is it normal it makes its way to the oil?

I'll be going ethanol free on all my small engine.


My oil smells the same way and I agree, it is from the ethanol. It isn't actually liquid fuel or ethanol getting in your oil, it is just the normal combustion byproducts of ethanol laced gas making its way into your oil, causing it to smell like alcohol.

HDEO's smell a little stronger than PCMO's and changing your oil a little more often as well as keeping your engine well tuned will all help to reduce the alcohol smell. Or if you can find ethanol free fuel in your area, you could always just use that. Then your oil will have slight regular gas scent at the end of an oil change crazy


18 Honda CR-V - Factory Fill
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14 Yamaha Super Tenere - Delvac 15w-40
Re: Used oil smell [Re: AMC] #4472671
07/28/17 06:04 AM
07/28/17 06:04 AM
Joined: Jun 2017
Posts: 30
Canada
jbutch Offline OP
jbutch  Offline OP
Joined: Jun 2017
Posts: 30
Canada
Originally Posted By: AMC
Originally Posted By: jbutch
Originally Posted By: ironman_gq
I'd say it's from ethonol fuel and probably nothing to worry about.


It makes sense, but is it normal it makes its way to the oil?

I'll be going ethanol free on all my small engine.


My oil smells the same way and I agree, it is from the ethanol. It isn't actually liquid fuel or ethanol getting in your oil, it is just the normal combustion byproducts of ethanol laced gas making its way into your oil, causing it to smell like alcohol.

HDEO's smell a little stronger than PCMO's and changing your oil a little more often as well as keeping your engine well tuned will all help to reduce the alcohol smell. Or if you can find ethanol free fuel in your area, you could always just use that. Then your oil will have slight regular gas scent at the end of an oil change crazy


Thank you for the info!

I just found that my local Esso is ethanol free for the 91 grade, I will be going with that.

Re: Used oil smell [Re: jbutch] #4473851
07/29/17 11:59 AM
07/29/17 11:59 AM
Joined: Nov 2012
Posts: 52
SL,UT
izualangel Offline
izualangel  Offline
Joined: Nov 2012
Posts: 52
SL,UT
On some of those GX series Hondas the gas can overflow through the carb and run into the crankcase. Use the fuel shut-off whenever you're not running it. Just a thought.


2006 Subaru Outback 2.5i - Havoline ProDS 5w30 (clearance at O'Reillys)

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