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2017 Honda CR-V 1.5T, Mobil 1 EP 0W-20, 10,188 mi #4781095 06/08/18 09:52 AM
Joined: Aug 2004
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The Critic Offline OP
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Background info and general thoughts:

- This oil fill was installed at the vehicleís first oil change, which took place at 9,382 miles.
- At the time of oil sampling, the vehicle had been driven for more than 30 minutes at highway speeds. OLM was at 5% remaining. A Genuine Honda Oil Filter (A02) was used for the duration of this oil fill.
- At the time of oil sampling, the oil level was not abnormally high.
- Driving style consists of many short 5-10 mile trips in-town, however, the vehicle sees several 150 mi highway trips each month.
- I confirmed using the Honda J2534 rewrite tool that the vehicle has the latest engine calibration installed.
- Bearing wear appears to be controlled and the oxidation/nitration numbers are quite favorable. Despite the high fuel dilution, the oil appears to be doing its job very well.


2011 Toyota Prius 1.8L - 207K - Valvoline Premium Blue Restore 10W-30
2007 Honda Accord 2.4L - 146K - Valvoline Premium Blue Restore 10W-30
Re: 2017 Honda CR-V 1.5T, Mobil 1 EP 0W-20, 10,188 mi [Re: The Critic] #4781112 06/08/18 10:11 AM
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Danh Offline
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Realize this engine is still fairly new, but isnít 3.7ppm iron/1,000 miles still pretty high? Maybe fuel dilution isnít quite so harmless.

This engine does seem more prone to fuel dilution than most. There was an extended sales stop in China for this reason; still waiting to see if American Honda incorporates any of the changes made for the Chinese market n

Re: 2017 Honda CR-V 1.5T, Mobil 1 EP 0W-20, 10,188 mi [Re: Danh] #4781124 06/08/18 10:24 AM
Joined: Jul 2005
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dave1251 Offline
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Originally Posted By: Danh
Realize this engine is still fairly new, but isnít 3.7ppm iron/1,000 miles still pretty high? Maybe fuel dilution isnít quite so harmless.

This engine does seem more prone to fuel dilution than most. There was an extended sales stop in China for this reason; still waiting to see if American Honda incorporates any of the changes made for the Chinese market n


No. 3.7 parts per million of iron per 1,000 miles is not high.


make the inside of your engine oil cap white.
don't use.
Re: 2017 Honda CR-V 1.5T, Mobil 1 EP 0W-20, 10,188 mi [Re: The Critic] #4781129 06/08/18 10:29 AM
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deven Offline
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Does Mobil 1 EP 0w20 really only has 944ppm's of Calcium?


Proud user of ROYAL PURPLE products!

2016 Toyota Camry XLE Hybrid. Toyota 0w20. OEM Filter. 10,000 mile OCIs.

KEEP IT SIMPLE STUPID. IT'S ONLY OIL
Re: 2017 Honda CR-V 1.5T, Mobil 1 EP 0W-20, 10,188 mi [Re: deven] #4781156 06/08/18 10:46 AM
Joined: Mar 2017
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PimTac Offline
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Originally Posted By: deven
Does Mobil 1 EP 0w20 really only has 944ppm's of Calcium?




All the new formulations for the most part have lowered calcium. Itís not a issue.


2017 Mazda CX5
Mobil 1 Annual Protection 0w20
Roki OEM filter.
Re: 2017 Honda CR-V 1.5T, Mobil 1 EP 0W-20, 10,188 mi [Re: The Critic] #4781182 06/08/18 11:11 AM
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1JZ_E46 Offline
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Yikes. Oil was water thin when changed.


2019 Tesla Model 3 SR+
2016 Countryman S: Castrol 0W-40
Re: 2017 Honda CR-V 1.5T, Mobil 1 EP 0W-20, 10,188 mi [Re: 1JZ_E46] #4781256 06/08/18 12:27 PM
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John_Dude Offline
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Originally Posted By: 1JZ_E46
Yikes. Oil was water thin when changed.


water has a viscosity of 0.294 CST @ 100c

soooo... not quite.

Last edited by John_Dude; 06/08/18 12:27 PM.
Re: 2017 Honda CR-V 1.5T, Mobil 1 EP 0W-20, 10,188 mi [Re: John_Dude] #4781279 06/08/18 12:53 PM
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1JZ_E46 Offline
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Originally Posted By: John_Dude
Originally Posted By: 1JZ_E46
Yikes. Oil was water thin when changed.


water has a viscosity of 0.294 CST @ 100c

soooo... not quite.


It's called a figure of speech.


2019 Tesla Model 3 SR+
2016 Countryman S: Castrol 0W-40
Re: 2017 Honda CR-V 1.5T, Mobil 1 EP 0W-20, 10,188 mi [Re: The Critic] #4781302 06/08/18 01:28 PM
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webfors Offline
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These new Honda engines do not perform the same as the old Honda engines with respect to UOAs. I used to gush over the boring Honda UOAs. These are not boring.

I personally would not run a 20 weight in an engine that is known to reduce the viscosity of oil by 25-30%.


17 Cadillac ATS 2.0T, Edge D1G2 5w30, Champion COS10590
17 Dodge GC, VWB 5w30, Mopar MO-349
18 DL1000XT, Valvoline Dino 20w50, Suzuki OEM OF
Small engines; RT5 10w30
Re: 2017 Honda CR-V 1.5T, Mobil 1 EP 0W-20, 10,188 mi [Re: The Critic] #4781330 06/08/18 01:55 PM
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JAG Offline
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Mouse milk. laugh Is the factory fill a 5W-16 or 0W-16? What viscosity grade is recommended?

Re: 2017 Honda CR-V 1.5T, Mobil 1 EP 0W-20, 10,188 mi [Re: The Critic] #4781335 06/08/18 01:59 PM
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HemiHawk Offline
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Would it be wise to cut the interval back to 5k miles and see what that does for the fuel dilution? Its interesting that Honda's recall on some of those 1.5T motors states the the fuel issues had to do with cold climates... but this 1.5T is operated in CA.


2015 Mustang GT
2017 VW GTI sport
2001 Grand Cherokee
1995 Mustang GTS
Re: 2017 Honda CR-V 1.5T, Mobil 1 EP 0W-20, 10,188 mi [Re: The Critic] #4781345 06/08/18 02:12 PM
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JAG Offline
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In my opinion, the fuel content will reach steady state amount too quickly (maybe within 1k to 2k miles), so changing the oil at 5k miles isnít going to get the oil changed before it builds up more fuel in it. If one wanted to counteract the effect on viscosity, one could initially add less than the full amount and then starting around 1k miles gradually add oil one or two viscosity grades higher until the oil level is full.

Re: 2017 Honda CR-V 1.5T, Mobil 1 EP 0W-20, 10,188 mi [Re: The Critic] #4781434 06/08/18 04:00 PM
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LotI Offline
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I would run a 30 grade to 15% on the MM. is the sump really 4qts?...maybe change it at 5k/50%.

Honda has a recall in China for fuel dilution...in China


03 Honda Interceptor
11 Kawasaki KLR 650
12 Ford E450
19 Buick Regal TourX
Re: 2017 Honda CR-V 1.5T, Mobil 1 EP 0W-20, 10,188 mi [Re: The Critic] #4781444 06/08/18 04:11 PM
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Danh Offline
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0w-20 is specíd. Sump + filter = 3.7 quarts.

And I still think 3.7 ppm of iron/1,000 Miles is a lot for a 1.5 liter engine.

Re: 2017 Honda CR-V 1.5T, Mobil 1 EP 0W-20, 10,188 mi [Re: The Critic] #4781568 06/08/18 06:28 PM
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parshisa Offline
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Twice as much of iron per 1k as i had on my second drain. I doesnít look like stratching OCI that far is a bright idea. Although Iím going 7.5K on my cutrent fill


'17 Honda Civic 1.5T/ 6MT
'16 Honda Pilot 3.5NA/6AT
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