full synthetic OIL?

Asked by GuruZPR1K Mar 28, 2019 at 07:21 PM about the 2000 Lincoln Navigator 4WD

Question type: Maintenance & Repair

Can I Use Mobil Full synthetic oil (5w x 20)  when the oil cap says (5w x 30) ??
thank you !

3 Answers
30

Elaine answered 5 years ago

It is not recommended to use any other oil grade that what in your owners manual. Especially if you want your engine to last. It can decrease gas mileage and general performance of your motor.

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