"line pressure solenoid" = automatic trans "oil temp sensor light" = automatic transIf the oil temp light is flashing, this more than likely indicates an electronic fault in the transmission, and this could definitely lead to problems with the clutches. I would suggest a visit to a local independent transmission shop a.s.a.p., before the problem becomes more expensive.
This is definitely sounds advice, I was hoping it was something I could check, but looks like I’m going to have to bite the bullet.