ok guys i am having a lil problem every once in a while so it dosent always do it but my vac. will some time go very low like 5lbs. it really has never been right it likes to sit right between 10 and 12 lbs. but the bad thing is i don't know what my idol is at dew to when i went to coil on plug i lost the tach. i am still trying to figure that one out but i just really wont to know how to fix the vac. problem let me know what you guys think


THANKS....

 

http://vfaq.com/mods/ICtester.html

That or a variant of it will find itself right at home in your dsm first-aid kit.