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  View original topic: Vac Port
vponder Mon Dec 23, 2013 3:52 am

On my engine there is a vacuum port on the left (drivers side) intake manifold. Its caped off and all the pics Ive seen of engines I dont think I ve seen on before what was it for? Vince

LeeVW Mon Dec 23, 2013 9:34 am

It's part of the altitude corrector, which is part of the throttle positioner. Here's what it looks like when it's properly installed:



It's all part of emissions control, and it's fine to run without any of it.

Lee

vponder Mon Dec 23, 2013 10:26 am

Good to know learn something new every day .



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