Remove what you need to to get to the adjustment potentiometer (like, the plastic case etc.). Then plug it in without installing it, and adjust the pot until it reads correctly.

I would recommend a TV tuner plastic screwdriver to do this, to avoid tragedy. Tedious, but not hard to do.


-Bill
'87 4Runner w/ '96 5VZ-FE, 'Red Chili II'
'97 Taco XtraCab 3RZ-FE, 'BlackBean'
TLCA # 13257, Rising Sun 4x4 Club Land Use Coordinator
"He who stops being better stops being good." -Oliver Cromwell