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I already got a friend to verify all the vac routing. I was just trying to figure out if it was the throttle positioner that was having issues because if I disconnect the vac line to it the truck starts properly with a high idle.

I guess the question is, what sets the high idle when I go to start my truck first thing in the morning. Thats the only time it is having problems starting.

The supercharger is on a shelf in my garage. It is going to stay there for a bit as I cant afford the gas and also want to make sure all my issues are worked out. Sorry I didnt draw the arrows, but I already got my answers on that part. It sadly is not related to something as simple as vac routing.


i think if you disconnect any vacuum line, you will get a high idle. isn't there an idle up valve near the front of the engine over the passenger side valve cover kinda of up neat the intake. let me look when i get home.

how much is high test out there? i can get 91 for $1.65 here, but i here you need 93 which is about $1.75 at exxon or chevron.

Scott Landon
1995 T100 - total buildup underway
1988 4Runner (22RE, W56) - new DD
2005 Dodge CTD 4x4 - Tow Beast
1990 Spec Miata
2010 GT3
2013 E92 M3