Does the 2021 Avalon still have oil emulsification issues?

1 Answers
LaMiles
07/30/25 3:44am
No. Currently, the oil dilution issue with the Avalon is entirely concentrated in the 2019 model year, and the latest 2021 Avalon does not have this problem. Below is some information about the 2021 Avalon: 1. Performance: This vehicle is equipped with an imported Aisin 8-speed automatic transmission with manual mode, featuring four driving modes: Eco, Normal, Sport, and Sport+. The quality is relatively stable with no common issues. 2. Cause of emulsification: The main reason for oil emulsification is that during winter, atomized fuel sprayed by the injectors comes into contact with the colder cylinder walls, leading to wet wall phenomenon. When this occurs, gasoline flows into the oil pan and mixes with the engine oil, causing emulsification over time. This issue has now been completely resolved.
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