Changing back to syntetic after regular engine oil

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02-16-12, 03:41 AM

#16

hypervish

Lexus Test Driver

Join Date: Aug 2009

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Quote:

Originally Posted by MKLEX

well, thank you for educating me. I will switch back to synthetic next OCI. Should I flush it with a quart of synthetic first and then fill it up?

Your Welcome, and no need to flush it with synthetic. Just change the oil like you normally would.

Quote:

Originally Posted by yeskay

oil level light not necessarily mean low oil as per the owners manual.

True, the "dummy light" is for low oil pressure, not level.

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02-16-12, 05:54 AM

#17

285exp

Pole Position

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Quote:

Originally Posted by yeskay

oil level light not necessarily mean low oil as per the owners manual.

No it doesn't, but in this case it is. He has stated that he has found the oil level is low when the light is coming on. If it stops coming on when he puts more oil in, then it is obvious that his low oil pressure is the result of low oil level. The question is what is causing him to lose oil. If the low oil pressure warning continues after adding oil, then there is some other problem.