Viewer-submitted questions for The Car Doctor: Q: My car, a great running Toyota, has a recommended oil change interval of 10,000 miles or once a year. What are your thoughts on this long interval? A: ...

We may receive a commission on purchases made from links. If your vehicle is due for an oil change, the oil of choice is either synthetic or conventional motor oil. But if your car's odometer is over ...

Clock enough miles and your engine develops quirks. Not failures or crises. Just quirks. A little oil burn here. A tiny seal seep there. And you're searching for that youth serum for engines that aren ...

Your father or grandfather might have told you to change your oil every 3,000 miles. But that once-standard advice might be a bit outdated. Motor oils have changed and so have many of the ...

I have a 2001 Ford F-150 with 143,000 miles on it that is in excellent shape. When I purchased it, I also bought the “lifetime oil change plan” for $300. Now that I’m retired, I only drive it around 3 ...

I'm a retard. Like the title said, I haven't changed my oil (2001 hyundai elantra) since last september. I don't drive my car that much (about 2,000 of those miles are just a couple of trips to mom & ...

Experienced drivers know that high mileage cars demand special attention. Most oil manufacturers advertise specific lines of engine oil made for high mileage vehicles. These are cheaper than their ...

Exactly as it sounds, high mileage oil is oil for engines with a lot of miles more specifically, more than 75,000 miles. Engine components like the crankshaft, pistons, rod bearings, and valve seals ...

Maximizing any internal combustion engine's fuel efficiency involves frequent maintenance, including periodic oil changes. You should be aware of these signs your oil is running low, and don't skip ...