Thanks for the responses - I had the relay checked, and the o/d solenoid, and the problem hasn't been fixed. Mechanic said it's probably something within the trans. I'm just driving it as is, sucking up gas on the freeways... if anyone has any other suggestions, I'm up for them!
Aloha!
Janet

My automatic 740 just decided not to shift into high gear. It didn't give me any hints or warnings before this - just stopped shifting out of 3rd. Everything else seems fine... Do I need a new trans, or is there (please!) some cheap, simple thing that could be wrong - I already checked the oil and f...