Oil dilution hyundai Short trips and cold starts make fuel in the oil worse. I have just come back from a 10 week tour of Europe covering over 4000 miles with the car towing a 1400kg After checking oil and seeing it over full and smelling like gasoline, I thought I would do an experiment to see if premium fuel helps combat fuel dilution of oil. Reactions: kentechmobi , Bigness and magshark Save Share Oil dilution is a design criterion for the engine application and can be, at best, a long time to stabilize at an acceptable level. 0 centistokes at 100 deg. 4L NA-- oil analysis on both indicated that neither had unusually high amounts of fuel in the oil (@4000 mile OCIs). 4L Theta II engine runs nice and free - but due to fuel dilution and potential rod bearing issues - the question of not enough film thickness is often discussed as these engines continue to fail , so no wonder Hyundai / Kia now have gone What is the best test for fuel dilution?" As fuel is burned during the combustion cycle, it can enter the crankcase and be introduced to the lubricating oil. There are several companies that sell The same could not be said for the 2019 I had before this, which suffered from oil dilution due to the direct-injection only fuel injectors There are about 30 articles, including 4 from Hyundai engineering that specifically show diagrams and nice pictures of exactly where the injectors are. a. Discussions about Hyundai Group corporate cousin Kia are also welcome, though they should really go in /r/Kia. I have a Hyundai GDI engine that has a reputation for being very hard on oil with a lot of soot contamination and fuel dilution. Phevs are especially bad since the gas engine runs have as much. Took sample and changed it at 2200 miles, came back 6. *I have tested various 5W20 , 5W30 and 10W30 synthetic oils in my 2017 Hyundai Sonata 2. Oil Dilution: Some vehicles may experience increased oil consumption and white smoke due to the diluting of engine oil with fuel because of the frequent transition between EV ↔ Engine mode during the winter season a. So, My oil samples have shown between 1% and 2% of my oil volume every 5,000 miles. I received the report a few days later which stated that they had detected 3% fuel dilution There's no official news, yet, but people in forums are complaining that their car's oil levels are rising, as a result of gas mixing into oil. Much easier to change the oil more often, versus buy more oil to feed the thirsty,. May try bring your own quality synthetic 0W-30 oil, ask dealer to use that. my two Hyundai's have both had a vacuum operated butterfly ( throttle body ) to shut air off on the intake manifold. Hyundai/Kia are acknowledging there are issues with oil dilution in their HEV and PHEV vehicles with the 1. Hyundai OEM oil filter and whatever (high mileage type)full synthetic oil I usually buy 2017 Sorento SX V6 AWD, 2014 Hyundai Santa Fe Sport Turbo, 2002 Honda S2000. If you’re 100% sure it wasn’t overfilled, dilution is possible oil with gas equals shitty oil you definitely don’t want in your engine it is quite natural thing, 2. 95. It’s a non issue if it’s below 2. this would stop that dieseling effect where motor takes fuel & oil from the But the dilution isn't the worst unless it's like the early honda 1. A good 7. there. A number of those Hyundai owners frequently mention fuel dilution of the oil as being a consideration on the GDI/Turbo engines. This can be detected by an oil analysis, which may show heavy metals and fuel, indicating contamination and potential oil dilution. This oil consumption also ends up a waste of oil, and this occurs straight from the combustion chambers. The service guy explained that the spark had not been properly controlled, thus gas was getting through without combustion. Land Rover. I wouldn't go over 5k in either scenario where Turbo Direct Injection is concerned. If fuel dilution is higher than 3% then the answer is to change the oil more frequently. IIRC, Ford recommended ~6 qts of 5W-30 in the ST. 6 turbo. Modify fuel injection strategy below 10℃ and add oil heating function based on the driving pattern. Fuel dilution is a fairly common problem with direct injected engines, especially turbo-charged ones. Once you have hat report the dealer has to deal with it. The oil is thin enough as it is, (0-20). The only oil dilution issue is when the oil gets diluted so much that it loses its lubrication properties and your engine fails. RobertD · Registered. This occurs with both normally aspirated and turbo induction. Fuel dilution is the normal process by which diesel fuel enters the crankcase by means of blowby. Meaning, due to the rings being purposely weak, oil vapor can push past the rings. I knew about the oil dilution and still went through with the purchase. This engine has 233K on it, all of my oil samples have been less than 1% fuel dilution by volume. So it's nothing to be concerned with. In addition additives in 0W20 oil is especially made to help with dealing with dilution. Use Quaker State 5W-30 Engine Oil (whenever possible) during the refill. But never knew there was a 1. Looks like the same issue as the Honda 1. 0T AWD Hello Everyone, I recently got an analysis done that is quite interesting, so I thought I'd share. Engine sumps can gain water and a little bit of gasoline oil dilution if you do a lot of short trips and/or a lot of idling. DI engines have really tiny holes in the injectors which easily clog and then the spray pattern gets messed up and raw fuel runs down past the rings and into the crankcase. 8 @100C, but VOA says it is 11. Current lowest cost for Hyundai factory oil filter (with 180 psi valve and 2x filter area of aftermarket filters) is Walmart at $5. 5%. They have issued TSB's to their dealers. Subreddit dedicated to the auto maker Hyundai. fuel diluting the oil (most probably). Go. So the owners that bring this to the dealers attention get blown off. The oil started out as 0W-20. I'd rather live with oil dilution versus consumption coming from a S. The oil smells heavily of gasoline. In 500 Problem: Hyundai techs discovered 2. I own both a Kia and a Hyundai. The Hyundai Canada website says 8000km and/or 6 months are the maintenance intervals while the Hyundai USA website seems to indicate 7500 miles - 12000km, so it's almost a guessing game. Diesel fuel dilution, also known as diesel in oil, is a common issue that affects diesel engines. I always want to keep my viscosity @100C above 8. com is generated by its users. At the end of the oil life cycle (a month before an oil change) the oil will lose some of it's viscosity dropping We have a 2023 Tucson Hybrid, not plug in. Blowby from higher cylinder pressures causes fuel and oil to mix in the crankcase, where by adding to the level as well as actual fuel mixing with engine oil. Also move up to a 0w30 or 5w30 oil as your oil is now a 15w. 0. 6 Hyundai chart, Pretty much the same oil dilution problem, that subsequently causes premature metal wear, evident through the same spikes in Aluminum, Iron, Silicon, etc. Asking Hyundai about using 0W-30 full synthetic oil, or asking the dealer to use that oil (if they even have it available), could raise a flag if I do end up filing The 1. 7. My other diesel vehicle was a 2011, VW, Jetta TDI with 130K on the OD when traded. So its going back to the dealer to figure it out. It depends decisively Whatever the specific vehicle application from and how the engine manufacturer adapts his post injection strategy on it. While it is an unavoidable phenomenon, certain driving Problem: Hyundai techs discovered 2. net - the largest Hyundai N car forum. Read about oil dilution with fuel for There will be some oil dilution with fuel as in all GDI engines. This issue was exacerbated by Hyundai's specification of 5W-20 oil for these engines in the US and Canada, primarily to improve fuel economy numbers and comply with EPA regulations, thus maintaining favorable CAFE numbers. Jump to Latest 4. With 5W 20 weight synthetic oils the 2. Inadequate oil viscosity Oil lubricates your diesel engine's moving parts so they don't grind together, overheat, and wear down. Update: Fuel Dilution Of Engine Oil In Plug-in Hybrid and Hybrid Tucsons - THERE IS A SEMI-SECRET SOFTWARE UPDATE. 0L turbo DI, and my current one is a 2. Most cars these day have direct fuel injection for improved . Hello fellow Kona N owners. Isabella I have 2018 sportage with 2. There are reports from If there is fuel dilution, wouldn't the fuel in the oil act as a solvent to solvate varnish if the oil doesn't/ couldn't contribute to further dirty-ing of the pistons I know Hyundai/Kia has issued a TSB recommending "thicker" oils not long ago for a couple models if I recall correctly. As an exercise in satisfying my curiosity, I recently ordered an engine oil analysis kit and sent off a sample of my car's oil to be tested. " All their other racing oils are increasingly thicker and for short tracks, uphill racing, ralley, and endurance racing. on paper it says the oil is "good" but today i checked my oil and it is a little bit above maximum? (I checked it twice 2. Lamborghini. Content on SantaCruzForums. 6T Hybrids. Oil Dilution. 6T? Thing is, with only short trips, maybe colder winter days, 5000 miles and 1y old oil, you are stretching the equation. Many other owners of Hybrid (HEV) and Use nothing but a Hyundai OEM oil filter from your dealership, Ebay or a reputable website in the UK. As the thread header suggests, there is concern that Diesel Particulate Filter fitted models have a problem that the regeneration process could be contaminating the engine oil. Gas is mixing with the oil (dilution) where the source is injected fuel that gets pushed past the I keep very close track of my oil level because of the fuel dilution problem. Average failure mileage is 24,500 miles. Reply. Hey guys so I was on one of the Scotty Kilmer livestreams and someone asked a question regarding how to minimize oil dilution and maximize the lifespan of 1. The analysis will show levels of fuel dilution which must be less than 3%. 5T oil dilution. Last edited by PhilHornby on Mon Aug 26, 2024 4:16 pm, edited 1 time in total. 4 GDI - Mobil-1 EP / Euro FrankenBlend (SP) 2020 Kia Soul X-Line 2. At what point the oil dilution becomes dangerous for the engine can only be precisely determined by the engine manufacturer. 05, Hi. Using out-of-spec oil might give Hyundai an excuse to deny a warranty claim. It can raise the oil level as much as 6mm on the dipstick over time and mileage. Also known as “crankcase dilution” it is a process where fuel is leaked into engine oil when it travels towards the crankcase. 4. This can lead to engine wear and tear, and it is one of the reasons why regular oil testing is necessary. I only fill to the 1/2 mark on the hashes when I change. Jeep. Those unfortunate of us who bought Smartstream 2. Leaving a diesel engine oil change for too long often results in high level of oil dilution which in turn causes the oil to be far to thin and not lubricate the engine well enough causing major internal engine failure. Of course, nobody knows if they'll make it to 200k or not. Fuel Dilution Of Engine Oil In Plug-in Hybrid *and* In November that year, I changed the oil myself with Quaker State full synthetic 5W-30, which is what Hyundai dealers use. 5t's which would add an extreme amount of fuel to the oil. Site Traffic Information and Cookies. Jake. And if yes, what the oil spec is. I am experiencing an oil dilution issue on my 2022 Kona N. Now on 12500km and my oil level is 1cm over the full mark whereas after the oil change it was on the full mark. Also don't shy away from the Hyundai oil filter. Problem: Hyundai techs discovered 2. 6T Smartstream in the Kona is recommended to use 5 qts of 0W-20. There are some studies on this and VW have measured up (IIRC) 40% dilution over 10,000 It is impossible to remove 100 percent of the old fluid without removing every trace of the old fluid though but for all intents you could consider it 100 percent. Only there the appropriate tests are made. wrcbuuilcawreuhbzmeejptmcpjdrikdhbvgxdjiawgukggyggyrxtnhfkrohahxygcpmwzshnbehvayedhoa