Visit this site:

http://www.grc.com/default.htm

There are free utilities to turn off 'Plug and Play'

http://www.grc.com/unpnp/unpnp.htm

Leak Test

http://www.grc.com/lt/leaktest.htm

Read the whole site and determine what you need.

I use them.

__________________
Regards

Warren

Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor

Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL

ENTER > = (HP RPN)

Not part of the in-crowd since 1952.