tjwalsh

My wife,s engine has a loud hum that can be heard at idle . It is a very pure tone that stays at the same pitch even if the engine is reved. It seems to come from the passenger side of the engine compartment . Does anyone have any ideas? Could it be some type of intake air management or polution control valve that is stuck?

thanks , tom

Subaru genius

Yes this is known as knocking, very common with subarus. It happens with cold start ups or just not turning you car on for a while. It's not going to blow up, just trying to warm up a little.

AS for the passanger 's side of the car, that could be from a lot of things. Take it to the dealer and have them check it out.

Great seection on buying a subie.

freakray

For a Subaru genius, you sure misdiagnose things.

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Subaru genius

^^^ ?
Ok, the guy asked a question about his wife's car and all you say is subaru genius can't figure anythings out? Now you pissed him off by changing the subject like now, and he's just trying to get a question answsed. PM me if you wanna rip on my willing'ness to help, or atleast put somthing of use for him.

freakray

All I am saying is you're confusing a 'hum' and engine knock.

A hum like say, a power steering pump.

I apologise if you have such a delicate ego.

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