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Old 05-15-2004, 11:05 AM   #1
Paul V
Scooby Newbie
Member#: 59912
Join Date: Apr 2004
Location: Sydney Australia
1993 Liberty(Legacy)

Cool Engine Whistle

Hi everybody i posted this question a while back and have found the answer, i hope this prooves helpful to someone.

This post concerns an engine whstle at idle, my Legacy 93' EJ 22 non turbo engine was making.
The sound is a single high pitched sound more noticeable when engine under load and Air Conditioning on

The sound is noticeable from 800 rpm to 1300 rpm and when iake my foot off the gas it dissappears untill the rpm drops to 850 rpm (minimum idle).

The high pitched sound is more noticeable when the engine is warm.

The timing belt has been recently changed and the belts seem in good condition also power streering, alternator and air conditioning belts are all ok, when i remove these belts the noise is still there, if i remove the timing belt left and right side covers the noise does not change (get louder).

It dose not sound like a wwwrrr sound

The answer is the sound was coming from a clogged throttle body, running an upper cylinder clean cured the problem.
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Old 05-15-2004, 11:30 AM   #2
Scooby Newbie
Member#: 61423
Join Date: May 2004
Location: Smithfield, Va
2004 Outback H6


yeah ive got the same general thing except mines at 1800-2000 and it is definately coming from the area of the intake manifold.
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Old 05-15-2004, 04:10 PM   #3
Scooby Specialist
Member#: 53410
Join Date: Jan 2004
Chapter/Region: SWIC
Location: Tucson, AZ / Port Angeles, WA


just tell girlies its your turbo spooling
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Old 05-15-2004, 11:36 PM   #4
Scooby Newbie
Member#: 53188
Join Date: Jan 2004
Chapter/Region: South East
Location: Tampa, FL
2013 WRX 5 door


my wrangler sounds like that with a hollowed out cat and a dynaflow... "kind" of a whirring sound... at least way different then stock anway...
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Old 05-16-2004, 05:09 AM   #5
Scooby Guru
Member#: 53558
Join Date: Jan 2004
Chapter/Region: NWIC
Location: Deadford, OR
2005 Baja Sport
Gray/Silver two tone


Mine makes a whistle when going 50+. Does it in gear and out, and it isn't the wind. It's always done it, so it's not a concern to me.
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Old 09-03-2013, 01:24 AM   #6
Scooby Newbie
Member#: 367247
Join Date: Sep 2013

My 2003 GT has always produced a very noticeable high-pitched whistle from the engine (I assume its the intake) under heavy acceleration. It was a bit concerning at first but it doesn't seem to be anything serious. I chalk it up to the engine sucking some air through a pin hole somewhere in the air intake plumbing.
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Old 02-21-2014, 12:14 AM   #7
Scooby Newbie
Member#: 257420
Join Date: Sep 2010
2002 WRX


Is the whistle temperature based at all? I get a whistle at idle and lower speeds after the car is fully warmed up only.
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