OIL LIFE INDEX

1993 Cadillac El Dorado

Tiny

eric1234

February, 3, 2011 AT 7:06 PM

What is the oil life index? And why is the number going down each time I start the car? For instance it was 78 yesterday and is now 75 today?

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Tiny

Docfixit

February, 3, 2011 AT 7:16 PM

That is oil life as to % left. Starts at 100% to 0%

Tiny

eric1234

February, 3, 2011 AT 7:59 PM

So then if I am correct it has nothing to do with the oil pressure? I was told that it did. But from what you are saying it sounds like the number is dropping because I am leaking oil or just burning it right.

Tiny

Docfixit

February, 3, 2011 AT 8:14 PM

No means how much life is left in % till next oil change

Tiny

eric1234

February, 3, 2011 AT 8:25 PM

Wow, I really don't know anything so please forgive my ignorance on this topic. So oil has life? Meaning? And I changed the oil pressure switch could it have anything to do with that?

Tiny

Docfixit

February, 3, 2011 AT 8:39 PM

No oil pressure switch has nothing to do with oil life it is an electronic counter to say when time for next oil change

Tiny

eric1234

February, 3, 2011 AT 9:01 PM

One more if you do not mind sir, if I lower the idle will it save me gas without doing any damage? The car seems to idle at 1000 rpm's is that good or bad.

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