I have a 96 4.3l s10. Can't find where this vacuum line is supposed to plug into. The same line runs from the engine, and the evap canister. I believe it should
Engine Vacuum Diagram?: I Have a 2003 S-10 Pickup with a Vacuum ...
diagram vacuum hose for S10 blazer 4.3L, TBI 1989 | S-10 Forum