trivium

Ive driven a few other ap1's and never heard the noise. Were you serious or being sarcastic?

xviper

No, but the owner of the car would be familiar with this noise and be able to tell if it's something new and therefore, be able to know if it's worth pursuing. He would also know what details to give that would support such a question.

Elistan

If it's the intake whistle, it's probably normal.
If it's a diff whine, it might or might not be normal.
If it's a transmission whine, it's probably not normal.
If it's one of those deer whistle things, it's normal but aftermarket.
If it's HVAC related, it's probably not normal.
If it's loose weather stripping related, it's probably not normal.
If it's normal wind noise, it's normal.
If it's those whistle exhaust tips, it's normal but aftermarket.

xviper

Attaboy, elistan.
I'll add some more.

If it's a piece of debris stuck to the undercarriage - not normal.
If it's an air pump leak - not normal.
If it's an air injection solenoid leak - not normal.
If it's wheel bearing noise - not normal.
If it's rubbing brake noise - not normal.
If it's bounce back of engine sounds and wind noise off tall things you drive by - possibly normal.
If it's a tiny exhaust leak - not normal.
If it's an odd pulley bearing/belt whine - not normal.
If it's a damaged fan motor or fan blade - not normal.

OK, I lied. Not 1/2 dozen things possible. There have been 17 things mentioned so far and I'm sure if Elistan and I really think about it harder, there's more, but then, I've spent more time on this than I really wanted to considering there has been no details given to support any further diagnosis.

trivium

Well I wish I could give more specifics. All I hear is a whine that I have never heard. I mainly heard it with the top down. Oh well, everything else seems to check out about the car and its being sold at a reasonably low price. Ill take it to Honda World and have them analyze the problem.

vtec9

maybe the owner replaced the engine with this guy running in a wheel