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post #1 of 9 (permalink) Old 11-27-03, 01:49 AM Thread Starter
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cant identify sensor

there is a sensor on the thermostat housing on an ea falcon mpi, its not the coolent temp sender or the dash temp sender, its the one with 2 vacume lines coming off it, does anyone know what it does? what would the consiquences be if the vacume lines anrnt connected
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post #2 of 9 (permalink) Old 11-27-03, 03:18 AM
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Re: cant identify sensor

Is it black plastic? one line sitting above the other?
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post #3 of 9 (permalink) Old 11-27-03, 03:54 AM
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Re: cant identify sensor

trace the vacuum lines, you will see why it is needed when the temp goes up.

I did put something here, but it vanshied, I think

"So long and thanks for all the fish!"
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post #4 of 9 (permalink) Old 11-27-03, 03:58 AM Thread Starter
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Re: cant identify sensor

i dont think its plastic, its red, but the old one i pulled off was pink, its just a thing that screws into the thermostat housing, so its temerperture related somehow and it has 2 vaccume lines connected to it.
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post #5 of 9 (permalink) Old 11-27-03, 04:00 AM Thread Starter
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Re: cant identify sensor

yes i tried to trace one of them but it goes off behind the firewall somewhere and its a nightmare to trace the other one i was just hoping someone knew off hand what the thing does
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post #6 of 9 (permalink) Old 11-27-03, 04:03 AM
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Re: cant identify sensor

Well if there is no answer by morning, I will check the gregorys.

I did put something here, but it vanshied, I think

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post #7 of 9 (permalink) Old 11-27-03, 05:18 AM
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Re: cant identify sensor

It the PVS valve. It changes the air conditioning air inlet mode from fresh to recirculation when engine overheating is imminent. This reduces the load on the compressors and thus the load on the overheating engine. PVS= Ported Vacuum Switch.

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post #8 of 9 (permalink) Old 11-27-03, 12:41 PM Thread Starter
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Re: cant identify sensor

thanx for that, i couldnt find any documentation on it anywhere, where did you get that info from?
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post #9 of 9 (permalink) Old 11-28-03, 05:32 AM
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Re: cant identify sensor

Air con section of factory manual.

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