Originally Posted By: DuckRyder
Originally Posted By: InhalingBullets
The original spec for that car was 5w-30, and a few years later I believe that Toyota back spec'ed 0w-20 to it.
That is a can of worms and admittedly a bit confusing, but they did not back spec it at least in the US according to Toyota CS.
Agree. no official backspec'ing, LOL.
not that it matters much. 5W30 usually shears down to 5W20.