What is a VSV?

[122578]

what does VSV stand 4 and what does it do?

 

[Nick M]

Vacuum switching valve is the correct term. The name describes its action. It isn't sensing or any other term you might have heard.

 

[122578]

is there a problem with by-passing them or should i replace broking ones?

 

[a_sesshoumaru]

i took one off cuase it was broken, and no problem yet (i guess )

 

[GrimJack]

You should be aware of what they do before you start tinkering with them, same as any part on your car.

 

[drjonez]

You should be aware of what they do before you start tinkering with them, same as any part on your car.

exactly.

though it really depends on where it is....

 

[PRpimp3o3]

so what does it do because i never put mine back on after my jdm swap and would like to know what they do as well.

 

[theKnifeArtist]

you mean that thing on the thermostat housing with the two ports? just curious, what happens when they're hooked up backwards?

http://www.cygnusx1.net/supra/Library/TSRM/MK3/manual.aspx?Section=EC&Page=7
that right? on the bottom?

 

[drjonez]

so what does it do because i never put mine back on after my jdm swap and would like to know what they do as well.

there's more than one....typically it helps if you mention WHICH one you're referencing...

 

[Idealsupra]

you mean that thing on the thermostat housing with the two ports? just curious, what happens when they're hooked up backwards?

http://www.cygnusx1.net/supra/Library/TSRM/MK3/manual.aspx?Section=EC&Page=7
that right? on the bottom?

no thats a BVSV...