I tried the fix yesterday to no avail...

I loosened up all the ground terminals, cleaned under them, and put the screws back in. Fired it up, and it was instantly just under 1/2, like it always is.

Oh, well... I guess I will be installing an aftermarket gauge in the dash using the block drain...

"A young man who does not have what it takes to perform military service is not likely to have what it takes to make a living." - John F. Kennedy

Proud owner of an 88 Montero (with a blown engine).