what is it?

[miami man]

there is a vacuum switch bolted next to the wiper motor on the fire wall that had been disconnected and i went to the junkyard and got another one.
one vacume hose comes from the throttle body to it then another vacune hose comes from it to the charcoal canister.

what is this and what does it do for the car. the old one had cracked and i got another one. the prior owners just connected both vacume hoses and left it that way.

[69shelby]

I think its for the barometric pressure sensor>

[97 Aspire 5 Speed]

Re: what is it?

there is a vacuum switch bolted next to the wiper motor on the fire wall that had been disconnected and i went to the junkyard and got another one.
one vacuum hose comes from the throttle body to it then another vacuum hose comes from it to the charcoal canister.

what is this and what does it do for the car. the old one had cracked and i got another one. the prior owners just connected both vacuum hoses and left it that way.

On my Aspire, that is the Evaporative Canister Purge Solenoid... or something like that. It is supposed to occasionally open up to vent the collected gas fumes into the engine. If the canister is connected directly to the TB, it would act like a vacuum leak (I think).

[hellraiser6919]

i knew what it was at one time but i forgot.