Slant Six Oil light coming on — need a new pump?

ScampNYC said

Marvel Mystery Oil,

Click to expand...

That or automatic transmission fluid really cleans. The 273 in my avatar was cleaned with MMO.Good stuff.

ScampNYC said

So should I pull out that spring that appears to be inside the nipple? Or is that factory?

Click to expand...

That is not factory and shouldn't be there.