vacuum question

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08-03-2003, 04:35 PM

mtcookson

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vacuum question

my fpr's pressure doesn't seem to drop like it should when under vacuum. what would cause a loss of vacuum?

08-04-2003, 02:56 AM

DARHAW-MAX

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Cracked or worn vacumn lines. With the age of this car, that is a very common problem as the rubber dries and starts to crack at the edges where it bends.

08-04-2003, 10:37 AM

DA-MAX

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Re: vacuum question

Quote:

Originally posted by mtcookson
my fpr's pressure doesn't seem to drop like it should when under vacuum. what would cause a loss of vacuum?

you checked the hose coming off the FPR?

08-04-2003, 12:06 PM

Tall

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Join Date: Oct 2001

Posts: 71

Quick question - What is normal vaccuum under idle and when gassed? My vaccuum is about 18 at idle, dips to 15 under throttle then goes up to 23-24.