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OK I'll look into replacing the PCV valve. There's no radiator cap on the gen 3 so I couldn't check the level there as recommended above. Doesn't...
OK, I'll do that. Should I bother with oil additives for magical seal conditioning? I noticed there aren't any "high mileage" 0w-20 synthetics.
Just visually, in the overflow tank. AFAIK the coolant wasn't replaced recently, if ever. It looks brighter than my 2007, though, which is also...
We have a 2010 Prius with ~120k miles and a supposed oil leak; about half a quart for the last 500 miles. Ongoing for some unknown period of time....