http://i268.photobucket.com/albums/jj20/jcat2140/vacuumenginetroubleshooting111.jpghttp://s268.photobucket.com/albums/jj20/jcat2140/?action=edit&current=vacuumenginetroubleshooting111.jpg







this vacuum troubleshooting chart has helped me many times many years... simple and cheap troubleshooting and engine condition ...check

What vacuum line do you use to measure this?

thanks for that chart, ill make a printout of that

What vacuum line do you use to measure this?

Intake manifold vacuum. Any port on the carb/throttle body or intake manifold that is NOT "ported" or sourced ABOVE the throttle plate.