Vacuum lines are very likely not your issue. There is very little engine vacuum stuff on a 91 anyway. Pretty much the MAP sensor, the brake booster, and the line for the HVAC system. And they all just go anywhere on the intake.
For
a small yearly donation, you can support this forum and receive a 'Supporting
Member' banner, or become a 'Supporting Vendor' and promote your products here.
Click the banner to find out how.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.