Vacuum Port Question?

Heads, valves, pistons, rods, crankshaft, etc...

Moderators: Helpinators, Moderators

Post Reply
Buffman
Second Gear
Posts: 501
Joined: Sat Sep 13, 2008 1:59 am
Location: MI

Vacuum Port Question?

Post by Buffman »

I did a search and wanted to confirm what I read. Is there supposed to be vacuum on the port on top of the TB at idle? or only at increased engine speeds?
1992 Legacy LS Special Wagon..
Top
Legacy777
Site Admin
Site Admin
Posts: 27932
Joined: Tue Oct 15, 2002 11:37 am
Location: Houston, Tx
Contact:
Contact Legacy777

Post by Legacy777 »

There's no vacuum on that port on top of the throttle body at idle due to the throttle plate being closed. You will have vacuum when the throttle plate is open.
Josh

surrealmirage.com/subaru
1990 Legacy (AWD, 6MT, & EJ22T Swap)
2020 Outback Limted XT

If you need to get a hold of me please email me rather then pm
Top
Buffman
Second Gear
Posts: 501
Joined: Sat Sep 13, 2008 1:59 am
Location: MI

Post by Buffman »

okay thank you sir. It was blocked as I was spraying TB cleaner into it and it wasn't stalling the car out. Quick Blast from the Air hose cleared whatevere was blocked in there. Project this week is to take the manny and TB off to clean them.
1992 Legacy LS Special Wagon..
Top
Post Reply

Return to “Engine”