Why neglecting regular oil changes will eventually cost you!
This video explains what can happen when oil intervals are severely extended. This particular cars’ last documented oil change was 10,000 miles overdue. The oil in the car still had “viscosity” which would have been inconsistent with very old motor oil. We could only assume that the owner was adding fresh oil along the way – 1 quart at a time. Nevertheless, the engine had multiple symptoms of engine failure.