How often do you really need an oil change? - Page 2 - 2018 Honda Clarity Forum
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post #11 of 37 (permalink) Old 10-30-2019, 08:14 PM
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My maintenence minder says oil change due in 5 weeks. The only problem is It has been saying that for 3 months. I drive mostly on Battery so I am doing the once a year oil change
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post #12 of 37 (permalink) Old 10-31-2019, 10:41 AM
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Bullseye!

This thread has hit the bullseye for me! Generally I really like the car, but that dang warning light is my pet peeve.
You pull on that thread and it also shows that Honda is not really embracing a move away from ICE. The dealerships love selling their oil change package too much.
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post #13 of 37 (permalink) Old 10-31-2019, 01:29 PM
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Originally Posted by Leabhras View Post
This thread has hit the bullseye for me! Generally I really like the car, but that dang warning light is my pet peeve.
You pull on that thread and it also shows that Honda is not really embracing a move away from ICE. The dealerships love selling their oil change package too much.
This isn't just a Honda problem. Dealerships make roughly half their income from their service department. EVs simply don't need the same level of service as ICEVs need. Another interesting item that came out during the recent UAW/GM strike was that the car manufacturers themselves don't need as many people to make EVs.

Electric Vehicles are a disruptive technology - this is fundamentally why so many people are fighting them with FUD (Fear, Uncertainty, and Doubt). Oil industry executives know that the bulk of their profits come from selling gasoline and motor diesel fuels. Auto dealerships won't push EVs because they know their service departments, which account for half their profits, won't be getting the business. Unions are fighting them because it takes fewer people to build an EV than an ICEV.
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2018 Honda Clarity Touring PHEV - Forest Green w/Tan interior (wife's car)
2017 Volt LT - Heather Gray; black bow ties, Charcoal VoltShelf
2012 Cruze ECO MT (hail totaled 5/8/17 103,600 miles @42.5 MPG)
2010 Mit Lancer GT MT (traded for ECO @31K miles)
2002 Pont Montana AWD - title to son at college graduation
1990 Pont Transport (traded for Montana @240K miles)
1986 Fiero GT MT (traded for Transport - needed more seats)
1985 Fiero 2M4 MT (traded for Fiero GT @8K miles)
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post #14 of 37 (permalink) Old 11-04-2019, 07:02 PM Thread Starter
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I found out how to reset all the things it wants me to do. Ao1
oil- chassis check and tire rotation. It is in the settings and vehicle part somewhere. No more warning!

2018 Clarity plug in- Base (Silver)
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post #15 of 37 (permalink) Old 11-14-2019, 01:26 PM
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And to make it just a bit more complicated Mobile one oil has a version that goes 15,000 miles and one that goes 20,000 miles between changes. Growing up in the 50's we changed oil every 3000 miles. So once a year or every 10000 miles is ok by me.
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post #16 of 37 (permalink) Old 07-28-2020, 03:18 AM
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I got the oil change nag screen coming on so I did the oil & filter change. While at it, I also replaced the drain plug with a Fumoto valve. I thought I maybe filled 2-3 times but realized I only had one 3 gallons of gas fill up during last year. I also added Stabil, but I should probably try to use more gas. ODO is around 7500 miles.

When I drained the oil, it drained out like water. Very runny. I drained 3.6qt, and put in 3.5qt Castrol Edge 0W20.
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post #17 of 37 (permalink) Old 07-28-2020, 10:47 AM
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Originally Posted by hp79 View Post
I got the oil change nag screen coming on so I did the oil & filter change. While at it, I also replaced the drain plug with a Fumoto valve. I thought I maybe filled 2-3 times but realized I only had one 3 gallons of gas fill up during last year. I also added Stabil, but I should probably try to use more gas. ODO is around 7500 miles.

When I drained the oil, it drained out like water. Very runny. I drained 3.6qt, and put in 3.5qt Castrol Edge 0W20.
I would burn the gas tank "empty" at least once a year and refill it to roughly half a tank. This will give you about three gallons of fresh gas each year and more than enough to keep the fuel pump covered.

Your oil was more than ready to replace. One of the reasons oil needs to be replaced is that it really does have an in-engine shelf life, even when not being used.

2018 Honda Clarity Touring PHEV - Forest Green w/Tan interior (wife's car)
2017 Volt LT - Heather Gray; black bow ties, Charcoal VoltShelf
2012 Cruze ECO MT (hail totaled 5/8/17 103,600 miles @42.5 MPG)
2010 Mit Lancer GT MT (traded for ECO @31K miles)
2002 Pont Montana AWD - title to son at college graduation
1990 Pont Transport (traded for Montana @240K miles)
1986 Fiero GT MT (traded for Transport - needed more seats)
1985 Fiero 2M4 MT (traded for Fiero GT @8K miles)
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post #18 of 37 (permalink) Old 07-28-2020, 06:02 PM
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You don't need gas stabilizer. The fuel tank is pressurized to keep gas stable. When it reach the point it needs to be burned, the car will burn it, down to half a tank to leave room for fresh gas.
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post #19 of 37 (permalink) Old 07-29-2020, 10:59 AM
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When it reach the point it needs to be burned, the car will burn it, down to half a tank to leave room for fresh gas.
I don't think we really know what Clarity does if the gas gets really old, say over a year, as there is nothing in the owners manual about it. While there are people who have gone a year without putting in any gas most them purposely burn off gas when it has been that long and refill. I don't know of anyone who has gone more than a year without refilling so we don't really know what Clarity does in that case if anything, other than continuing with the occasional brief start ups. If the engine has not been run for several weeks (or months in some cases) it will start up but then it only runs until it has warmed up and gotten things circulated then it shuts off again, using a tiny amount of gas during this process.

The Chevy Volt had a pretty sophisticated fuel management system and would pop up messages when it had not been filled in a long time recommending to burn some gas. If the messages are ignored it will start up the engine similar to Clarity and run for a while. But I'm not sure if even the Volt will burn off half a tank of gas.
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post #20 of 37 (permalink) Old 07-29-2020, 12:37 PM
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Originally Posted by 2002 View Post
I don't think we really know what Clarity does if the gas gets really old, say over a year, as there is nothing in the owners manual about it. While there are people who have gone a year without putting in any gas most them purposely burn off gas when it has been that long and refill. I don't know of anyone who has gone more than a year without refilling so we don't really know what Clarity does in that case if anything, other than continuing with the occasional brief start ups. If the engine has not been run for several weeks (or months in some cases) it will start up but then it only runs until it has warmed up and gotten things circulated then it shuts off again, using a tiny amount of gas during this process.

The Chevy Volt had a pretty sophisticated fuel management system and would pop up messages when it had not been filled in a long time recommending to burn some gas. If the messages are ignored it will start up the engine similar to Clarity and run for a while. But I'm not sure if even the Volt will burn off half a tank of gas.
The Volt's Fuel Maintenance Mode triggers when the average age of the gas in the tank is estimated to be one year (give or take a few days). It will then run as a hybrid even with a full battery until it empties the gas tank or you put at least two gallons of gas into the car.

2018 Honda Clarity Touring PHEV - Forest Green w/Tan interior (wife's car)
2017 Volt LT - Heather Gray; black bow ties, Charcoal VoltShelf
2012 Cruze ECO MT (hail totaled 5/8/17 103,600 miles @42.5 MPG)
2010 Mit Lancer GT MT (traded for ECO @31K miles)
2002 Pont Montana AWD - title to son at college graduation
1990 Pont Transport (traded for Montana @240K miles)
1986 Fiero GT MT (traded for Transport - needed more seats)
1985 Fiero 2M4 MT (traded for Fiero GT @8K miles)
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