Is this bad vacuum?
08-11-05, 01:14 PM
#1
Full Member
Thread Starter
Join Date: Oct 2002
Location: C.T.
Posts: 137
Likes: 0
Received 0 Likes
on
0 Posts
Is this bad vacuum?
My mazda reman with about 20k on it is giving me some problems. my vacum was always about -16 or so till on one hot day it was at about -11. Now when the motor is cold the vac is about -16 but after about 10 mins of driving it goes to about -11. Now my ?? is the motor on the way out or some thing else cause this low vacum??
P.S I been have problem with my wire and my cooling fans
Thanks Mark T
P.S I been have problem with my wire and my cooling fans
Thanks Mark T
08-11-05, 02:41 PM
#2
RX-7 Bad Ass
iTrader: (55)
Vacuum should be read with all accessories off, foot off the brake, car fully warmed up and at idle. 15" + is a good reading.
If you have a low reading, and you have the stock ECU, check your air pump. If the air pump is not working, you'll get a rougher idle and reduced idle vacuum - been there, done that.
Dale
If you have a low reading, and you have the stock ECU, check your air pump. If the air pump is not working, you'll get a rougher idle and reduced idle vacuum - been there, done that.
Dale
08-11-05, 02:42 PM
#3
RX-7 Bad Ass
iTrader: (55)
Oh, BTW, make sure you've got a good connection to your boost gauge. The ferrule and nylon tube setup that the Autometers come with is VERY prone to leaking - even a tiny leak will make a difference.
Dale
Dale
08-11-05, 03:10 PM
#4
Wankel Shmankel
Join Date: Mar 2005
Location: Oahu (Hawaii)
Posts: 627
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by DaleClark
Oh, BTW, make sure you've got a good connection to your boost gauge. The ferrule and nylon tube setup that the Autometers come with is VERY prone to leaking - even a tiny leak will make a difference.
Dale
Dale
does 15" equate to -450mm or so?
Thread
Thread Starter
Forum
Replies
Last Post
Jeff20B
1st Generation Specific (1979-1985)
73
09-16-18 07:16 PM