No vacuum leaks, been over everything with a spray can.

'89 doenst have codes. I think it was the last one not to.

Work currently aborted due to rain

''reconsider the water sensor and the resistor you installed'' reconsider what? It stopped the 1200+ rpm idle at ~80c

FWIW, the pot adjustment was made by sliding the full assembly up / down from the far right.
What does the itty bitty adjustment towards the center actually adjust ?

__________________
1985 300D 198K sold
1982 300D 202K
1989 300E 125K
1992 940T

"If you dont have time to do it safely, you dont have time to do it"

"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not."