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Re: Honda 1.5L Engine Suffers Cold-Weather Oil-Dilution Problem [Re: doyall] #5035122 03/07/19 04:36 PM
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Eddie Offline
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I wonder if the ACURA RDX is having the same issue. Difficult to believe that Honda would not have cold tested this system and discovered this problem. Old man S. Honda will be turning over in his grave with this kind of management for his named company. Ed


2014 CX5 Touring 2.5L :-)
Re: Honda 1.5L Engine Suffers Cold-Weather Oil-Dilution Problem [Re: doyall] #5035225 03/07/19 06:29 PM
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ecotourist Online Content
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Does anyone know if they have the same problem with the 2.0? The Accord Sport 6 speed manual with the 2.0 is very nice.


2000 BMW 528i 5MT M Sport
2007 Honda Accord EX-L 4Door V6 6MT
Re: Honda 1.5L Engine Suffers Cold-Weather Oil-Dilution Problem [Re: doyall] #5035229 03/07/19 06:32 PM
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joekingcorvette Offline
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I haven't heard of any problems with the 2.0. When I upgrade my Civic to a 2016 or newer I will definitely avoid the 1.5. No sense in asking
for trouble when you know they are having issues.


2005 Chevrolet Corvette
2014 Ford F-150 4x4 supercrew
2014 Jeep Grand Cherokee Limited (wifes)
2012 Honda Civic 4 door (my daily driver)
2007 Lund Tyee Grand Sport Mercury 115HP 9.8HP
Re: Honda 1.5L Engine Suffers Cold-Weather Oil-Dilution Problem [Re: doyall] #5035234 03/07/19 06:38 PM
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JHZR2 Offline
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The port + DI is a good idea for deposit control, but it’s not clear it makes a difference here.

Seems like they need different control for injection and cooling.

Wonder how much less of an issue this would be if we didn’t control nox as tightly.

Re: Honda 1.5L Engine Suffers Cold-Weather Oil-Dilution Problem [Re: doyall] #5035301 03/07/19 07:45 PM
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dbias Offline
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My Civic in my signature has the 1.5t and I will not buy another one. Level rises on the dipstick like the tides. I change oil, 2 months later it a half inch to an inch high so I dump the oil and start over. Heck the last time I did it I just threw in left over bottles of this and that, even put almost a quart of Ravenol RUP 5w-40.
I've owned 3 previous Hondas and this is by far the worst.
On top of the ridiculous fuel dilution the Third taillight cover fell off and took forever to get fixed.
The cvt occasionally makes a horrible grinding clattering diesel like sound from a valve in it that occurs on hot restarts. Have video of it but Honda will not change out the valve unless it happens in front of them.
Road noise regardless of tires is terrible.
Multiple times the push button start has not worked stranding my college age daughter. Dealer sold her a $9 key fob battery and sent her on her way. Happened two more times within the next month. I dont know what ever resolved it but it hasn't done it lately, all I know it doesnt start, and the dashboard lights up flashing every light multiple times.

In a few years I'll still probably get good money back out of it from some sucker who thinks Honda does no wrong. I will not return.


Here is the no start just like my daughter experiences

https://youtu.be/vTE8r9uu71Q

Here is the transmission valve rattling

https://youtu.be/UZdJNeh4uCc


Last edited by dbias; 03/07/19 07:57 PM.

2011 VW JETTA Castrol Edge 0W-40
2012 FORD TRANSIT CONNECT Castrol Edge 5W-30
2016 HONDA CIVIC COUPE Casrol Edge 5w-30
2017 AUDI A4 Ravenol 5W-40 RUP
Re: Honda 1.5L Engine Suffers Cold-Weather Oil-Dilution Problem [Re: doyall] #5035436 03/07/19 10:18 PM
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WhizkidTN Offline
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I've sworn off Honda after the early 2000s Odyssey transmission debacle that bit me as well. Trading on their past reputation of quality.


His: '12 Kia Optima SX - 2.0L GDI Twin-Scroll Turbo [Tuned] (87K)
>EDGE 0W-40, Fram XG9688
Her's: '14 Nissan Rogue SL AWD - 2.5L NA (97K)
>EDGE 0W-20, Fram XG6607/XG7317
Re: Honda 1.5L Engine Suffers Cold-Weather Oil-Dilution Problem [Re: doyall] #5036225 03/08/19 02:36 PM
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eddy21 Offline
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My 1.6 EcoBoost showed < 0.5% fuel fuel on a 6k change .


15 Fiesta ST
Re: Honda 1.5L Engine Suffers Cold-Weather Oil-Dilution Problem [Re: doyall] #5036826 03/08/19 11:31 PM
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JavierG Offline
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Thank goodness I live in a warm weather state and properly warm up my vehicles by driving 5-10 minutes before getting on the freeway each morning. Plus I take long drives most weekends. Haven’t noticed any rise in the oil level dipstick. I think I can get and 250k miles on my Civic.


2007 Honda Ridgeline RTX - 143k mi - Kendall Semi-Syn 5W30, Fram HM filter
2016 Honda Civic EX-T Coupe - 42k mi - Mobil Super Syn 0W20, Napa Platinum
Re: Honda 1.5L Engine Suffers Cold-Weather Oil-Dilution Problem [Re: eddy21] #5037377 03/09/19 02:16 PM
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dailydriver Offline
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Originally Posted by eddy21
My 1.6 EcoBoost showed < 0.5% fuel fuel on a 6k change .


Did that used oil still REEK of fuel at that low(ish) dilution level?

I know that is NOT a good way to judge either fuel dilution, or OCI, but I get paranoid, especially during short trip winter OCIs with mine, (and the oil smelling like I should dump it into the gas tank!) and end up always dumping it early/short OCI (like under 4K miles, even with the best EP/'boutique' oils). frown


2016 Ford Fiesta ST 17K miles
Ravenol REP 5W-30
Fram XG3600 filter
Ravenol MTF-2 in the IB6 transaxle
Re: Honda 1.5L Engine Suffers Cold-Weather Oil-Dilution Problem [Re: dailydriver] #5041302 03/13/19 06:38 AM
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eddy21 Offline
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Originally Posted by dailydriver
Originally Posted by eddy21
My 1.6 EcoBoost showed < 0.5% fuel fuel on a 6k change .


Did that used oil still REEK of fuel at that low(ish) dilution level?

I know that is NOT a good way to judge either fuel dilution, or OCI, but I get paranoid, especially during short trip winter OCIs with mine, (and the oil smelling like I should dump it into the gas tank!) and end up always dumping it early/short OCI (like under 4K miles, even with the best EP/'boutique' oils). frown

Not at all .


15 Fiesta ST
Re: Honda 1.5L Engine Suffers Cold-Weather Oil-Dilution Problem [Re: doyall] #5041332 03/13/19 07:22 AM
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Many Honda 1.5T owners found a way to fix the dilution issue:
- Use 0W40 in the Crankcase
<most of the time same price as 0w20>
- Use 91/93 grade in the gas tank
<In my state it is a $5 difference per Civic gas tank of 87 vs. 93>
With this recipe fuel dilution is nearly non-existent, even in colder climates.

Re: Honda 1.5L Engine Suffers Cold-Weather Oil-Dilution Problem [Re: LazyDog] #5042559 03/14/19 08:42 AM
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Originally Posted by LazyDog
One other item that can be making the problem worse is the turbo system. The PCV on Volvo cars is huge and helps to alleviate the moisture/ condensation caused by the turbo system. The system also has a small weep hole in the inter cooler to drain some of the condensation.

My friend has an F150 Eco boost, and we install a large catch can to deal with this moisture stuff. When you open it, it literally takes a pee for about 20-30 seconds lots of condensation. The inter cooler has no weep hole.


Ford has a TSB for the condensation issue, they had several motors come in hydrolocked because the intercooler was filling with water. Their solution is to add a weep hole in the intercooler and some more air baffling.

Re: Honda 1.5L Engine Suffers Cold-Weather Oil-Dilution Problem [Re: Vladiator] #5043041 03/14/19 03:11 PM
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ls973800 Offline
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Originally Posted by Vladiator
Many Honda 1.5T owners found a way to fix the dilution issue:
- Use 0W40 in the Crankcase
<most of the time same price as 0w20>
- Use 91/93 grade in the gas tank
<In my state it is a $5 difference per Civic gas tank of 87 vs. 93>
With this recipe fuel dilution is nearly non-existent, even in colder climates.



Wonder why the owner's on the CRV forum don't know about this, or that Honda isn't saying to do this.


2019 Honda Pilot Touring AWD
Re: Honda 1.5L Engine Suffers Cold-Weather Oil-Dilution Problem [Re: doyall] #5043824 03/15/19 12:08 PM
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Honda can't without the risk of losing their CAFE certification. Also, that engine has an oil cooled turbo unit. It was specifically designed for 0w-20, Honda won't go back on that either.


01 Supercrew Lariat 4X4
06 Accord EX-L V6
2018 CRV EX-L
2017 Accord Coupe V6 EX-L 6AT
Re: Honda 1.5L Engine Suffers Cold-Weather Oil-Dilution Problem [Re: doyall] #5045482 03/17/19 12:29 AM
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I'm not suggesting that fuel dilution is a good thing, or even something that ought to be passively accepted. That said, has anyone actually seen or experienced a case in which actual engine damage was shown to have resulted from fuel dilution? I haven't exactly been "hawking" the issue, but I have seen a decent number of UOA here where the fuel appears elevated, but the rest of the indicators are pretty well normal. In the OP's linked article, a paragraph reads:
Quote
The issue already has prompted at least one class-action lawsuit alleging excessive oil dilution is causing engine damage due to high wear on inadequately lubricated components.
It would be very interesting to see what evidence is supporting this suit, assuming the suit is for real. Anyone know of specific examples of actual damage or failure linked to this issue?


18 Prius Two-Eco (L-Ion Batt), Mag Grey, 4000 miles (M1 AFE 0W-20).
07 Avalon XLS, Cassis Pearl, only 70k miles (M1 EP 5w-30).
04 Prius, Black, 200k miles (M1 EP 5w-30). 2006-2019 --RIP 😥
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