take a stab at the mystery sound
04-16-03, 08:18 PM
#1
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take a stab at the mystery sound
I have a hissing sound from around the floor that robs a small amount of power but stops above 4000 or so.
Under hard acceleration it doesn't hiss, but happens under medium acceleration until like I said around 4k then goes away again and you feel it run better.
sounds like it's coming from in around the inside passenger floor/firewall
Under hard acceleration it doesn't hiss, but happens under medium acceleration until like I said around 4k then goes away again and you feel it run better.
sounds like it's coming from in around the inside passenger floor/firewall
04-17-03, 12:37 AM
#4
It could be the hard line for the manifold to the cat. Its for air injection. I think the air pump turns off at 3 or 4k so is consistant with what you say. It attaches to the manifold by the firewall and runs beneath the passenger floor board to the cat.
04-17-03, 02:07 PM
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Originally posted by onefastrx7turbo
id say airpump. mine does the same thing. but my air pump has a really loud clunk when the clutch releases and grabs, so i always know when the air pump is running =( i also hear the hissing sound...i wouldnt worry about it
id say airpump. mine does the same thing. but my air pump has a really loud clunk when the clutch releases and grabs, so i always know when the air pump is running =( i also hear the hissing sound...i wouldnt worry about it
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