This calculator requires the use of Javascript enabled and capable browsers. This program will calculate the calendar time of 90 days in the immediate past. If you have not had the oil and filter in your motor vehicle changed between that date and today, you are exceeding most manufacturers maintenance suggestions. The general guideline agreed upon by most manufacturers worldwide is 3000 miles (about 4800 kilometers) or 90 days, which ever comes first. Check your owners manual for specifications for your vehicle. Here is some additional oil information that is pretty slick!
Version 1.5.6
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