Odd noise
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Junior Member
Joined: Apr 2004
Posts: 24
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From: Bris-Vegas
Car: 89 IROC-Z oh and a S15 200SX
Engine: 350 TPI, SR20DET
Odd noise
Hi, my car has this strange humming noise when I have it turned on and in park, its even louder then the exhaust, however when I turn my car off it takes a few seconds for the noise to stop, what could this be?
Last edited by Gatts; Apr 21, 2004 at 04:15 PM.
Supreme Member
Joined: Jul 1999
Posts: 18,457
Likes: 16
From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
Where is it coming from?
If you can't pinpoint it easily, take a piece of heater hose, and stick it in your ear (I just love telling people to do that!!!!) and use it like a stethoscope, just sort of probe around with the ither end and see if you can tell what's making it.
If you can't pinpoint it easily, take a piece of heater hose, and stick it in your ear (I just love telling people to do that!!!!) and use it like a stethoscope, just sort of probe around with the ither end and see if you can tell what's making it.
Thread Starter
Junior Member
Joined: Apr 2004
Posts: 24
Likes: 0
From: Bris-Vegas
Car: 89 IROC-Z oh and a S15 200SX
Engine: 350 TPI, SR20DET
It's definitely coming from the rear somewhere, I originally thought it was an exhaust leak but I got that fixed up and the noise still persists.
Thread Starter
Junior Member
Joined: Apr 2004
Posts: 24
Likes: 0
From: Bris-Vegas
Car: 89 IROC-Z oh and a S15 200SX
Engine: 350 TPI, SR20DET
Yep its definately coming from that area and I guess you could say it sounds like some one blowing their nose 
what is making that terrible sound?
what is making that terrible sound? 
TGO Supporter
Joined: Jul 2003
Posts: 4,803
Likes: 2
From: Grand Rapids, MI
Car: Z28
Engine: Sb2.2 406
Transmission: Jerico 4 speed
Axle/Gears: Ford 9" 3.60
i beleive the noise RB is refering to is the fuel tank pressure control valve or pressure relief valve, as i have sometimes seen it.
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Joined: Oct 2003
Posts: 302
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From: Houston / The Woodlands, TX
Car: 82 ElCamino, looking for a 3rd gen
Engine: 305 TPI(427SB in progress) 730 $8D
Transmission: THM350 (Getting a 4L80E soon)
Axle/Gears: 10 Bolt w/ 2.43 gears :(
Possibly the fuel pump on its way out.
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Thread Starter
Junior Member
Joined: Apr 2004
Posts: 24
Likes: 0
From: Bris-Vegas
Car: 89 IROC-Z oh and a S15 200SX
Engine: 350 TPI, SR20DET
Ok so its either the fuel pump or the fuel tank pressure control valve? Are these parts expensive to buy? Would I need some one to install them or could I do it myself?
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