Question about 2004 Suzuki Forenza

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Whistling sound around erg valve

Ther is a whistling sound coming from around the erg valve. I have already changed the gasket. It sounds like it is coming from under that area.

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Vacuum leak check hoses cracked broken disconnected unless it's new egr itself diaphram could be shot.

Posted on Feb 07, 2009


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Volvo XC 90 - whistling problem with waste valve on turbine -> I think.

A whistle is a hard thing to figure out, mainly because the tiniest hole can make a sound, even one that cannot be seen. I a a like problem with my intake manifold, I finally found it by carefully using starting fluid in small localized area along the manifold and when I found the hole the engine rpm came up then back down, but I could not see the hold even with a magnifier glass. So am not sure how to give you any ideas on how to check to find a hole you cannot see in your case, but I know even a antenna on your car can if bent slightly will also whistle on some models (this is why some antennas have a small wire wound around the main shaft, to break the wind passing the antenna.) Good luck on figuring this one out.

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Hi, my 2002 malibu hesitate and whistle when I accelerate. It only works fine under 20mph, but when it exceed, it whistles and hesitate on accelerating. On highway, it barely goes up to 60mph and when...

Whistle noise indicates a major vacuum leak. Maybe something loose in the intake system. Maybe a vacuum hose disconnected. Will explain lose of power also.

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Bmw x5 2002 diesel smoking like mad and loss of power

the ERG valve has packed up,just pull the vacumn operating pipe off that comes from the valve on the side and goes to teh ERG valve and it will work fine without it ,trust me

Jul 07, 2010 | 2004 BMW 5 Series

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I have a whisling sound coming from my 4 cyl nissan it sound like it's coming from under the exaust manifold or around the egr valve i know it's a vacuum leak but i can't pinpoint where its coming from

Remove the vacuum connection to the EGR valve and plug it with a golf tee or similar. If it stops whistling, remove the EGR valve and inspect for wear or seal damage (replace if bad). If you still have noise, suspect a leaking exhaust manifold gasket. Hope this helps!

Mar 05, 2010 | 2001 Nissan Frontier Crew Cab

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Whistling from engine

This is a symptom of the inlet manifold gasket having a leak.The whistling is air going in through the small leak/hole in the gasket.With the throttle butterfly shut,air is getting sucked in the only way it can.Try tightening the inlet manifold bolts 1st.But more than likely the gasket needs replacing.Hope this helps

Jan 09, 2010 | 2000 Jeep Cherokee

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2002 Buick Rondevoux 3.4 V6. Makes a noise from the engine like a buzzing sound. Sounds seems to come from power steering pump. I had it changed twice and still have the sound. Car is quit for twenty...

The GM 3.4 v6 engine is known to have Intake manifold gasket failure problems. IMHO, I do not believe this is fuel pressure release valve problem, since you would have fuel leaking. If it is more of a whistle rather than buzzing, i would suspect manifold gasket.

Oct 02, 2009 | Buick Rendezvous Cars & Trucks

1 Answer

Whistling noise

You are right. It is air leaking. You either have a vacuum line off the engine, or a leaking gasket in the intake manifold area. It could also be your PVC valve is out of it's grommet in the valve cover. You can locate the leak with the car running by using a mechanic's stethoscope. Just use it WITHOUT the metal pickup rod and diaphragm. Probe the open tube end around areas that sound like they leak or whistle. You can also use a can of carb spray. Just carefully spray around gasket surfaces and when the engine rpm raises, you've found it. Be very careful around a hot engine so you don't start a fire using this method.

Sep 20, 2009 | 2006 Ford Focus

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2000 Isuzu trooper whistle sound

most likely the intake manifold gasket. My 99's went out at 58k. common for the model.

Apr 10, 2009 | 2000 Isuzu Trooper

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My 1994 Jeep Grand Cherokee is making a whistling sound. It whistles when I am giving it gas even coasting. But when I slow down, it stops or gets quieter. We changed the PCV valves and hoses for the...

Often a whistling sound, from the engine bay anyway, is the sign of a vacuum line that is leaking. Might want to check all the vacuum lines for cracks and such and make sure they are all connected.

Dec 31, 2008 | 1999 Jeep Grand Cherokee

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