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Concerns About Oil Dilution and Smell in My New Toyota Corolla Cross 2.0 Hybrid

  

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Topic starter

Hello,

I recently experienced an issue with my new Toyota Corolla Cross 2.0 Hybrid, which I purchased in December, and I'm hoping to get some advice from you all. Before my oil change at 13,000 km, I noticed that the oil level was above the maximum mark. I informed the dealership of this issue and asked them to put slightly less oil during the change.

The mechanic at the dealership suspected oil dilution due to the smell of gasoline in the oil and asked about my driving habits. I informed him that my driving is a mix of city, country roads and highway driving, with around 30% being highway travel. He reprogrammed the ECU to address the issue and assured me that this should resolve the problem.

After the oil change, the level was between the minimum and maximum marks, and they instructed me to monitor the oil level and any changes in its condition. Since then, I've driven about 1,000 km and the oil level has remained consistent. However, the oil now has a chemical smell that I cannot precisely identify. I am unsure if this is normal for the synthetic 0W-16 Toyota oil they used during the oil change.

As this is a new car that I plan to keep for a long time, I'm concerned about any potential damage that these issues might cause. Has anyone else experienced similar issues with their Toyota Corolla Cross 2.0 Hybrid or any other vehicles? Any advice on how to proceed or if there is anything I should do to address these concerns would be greatly appreciated.

Thank you in advance for your insights and suggestions!

Best regards,

Mario


2 Answers
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Well you're the first one was mentioned that problem to me but I'll keep my ears open. Of course if the level went up it was being diluted with gasoline. So pray their programming help now. It's for the exact smell of the vehicle. Well oil smells so many different things.  I wouldn't go that by that I would go by the fact whether the oil dipstick goes up and remains the same


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If you’re concerned, you can do an oil analysis. You can use the search bar above. 


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