FUEL OCTANE

2004 Lincoln Navigator

Tiny

kampkos104

March, 2, 2011 AT 3:07 AM

Lincoln Navigator requires 91 octane. Can middle grade be substituted? 2004 Lincoln Navigator.

FOUND 14650 RELATED QUESTIONS

Wiring Issue?

68 ANSWERS
134 IMAGES

1 Answer

Tiny

Docfixit

March, 2, 2011 AT 2:35 PM

Try it see if it knocks or performance falls off.

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