I bought a replacment mirror glass for my van- looked like the right
size but doesn't quite fit.  It needs about 1/8" taken from 2 inside
corners.  Can this glass be cut, grinded or sanded without breaking?

I have a 2000 Taurus SEL 24V DOHC 87k on it, with a rough idle, rough accel.
The Check Engine light came on, so I took it to O'Reilly's.  They scanned
the computer, coming up with a cylinder 1 misfire.   This car has the coil
on the spark plug wire.  The #1 cylinder is on the ...