Recently was looking over the service history of my 2015 mazda 3 and noticed something terrible. I went from 6/22 - 11/23 without an oil change. I hardly have been driving this car so I didn’t even realize it had been so long. My sticker only had a mileage on it and not a date and I stupidly didnt realize how long it took me to do 5k miles. The car only has 85k on it.
I live in Chicago which is a harsh climate with mostly city driving. However, the car was opened up on the highway every month or two for a decent amount of time/distance. How much damage might have I caused? It had full synthetic in it at least but I am terrified because this car is expected to see a lot of use from here on out and needs to last which I’m afraid is not going to happen now.
While it’s definitely not great to have 17 month oil. I think it’s pretty safe to say if nothing feels amiss in how it drives, just get it changed and try to keep it under 12 months ;) While it would be pretty hard to say what, if anything, got damaged. Running old or dirty oil won’t lubricate the internals as well thus creating “more wear”. But I really wouldn’t worry about it considering it was only a couple months after the manufacturer recommended 12 month max interval.