This topic contains 4 replies, has 4 voices, and was last updated by 
Ted Huffman 2 years, 11 months ago.
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Topic
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Updated with video below.
I have a 2006 CRV, auto, 80k miles. Whenever I go above about 60% throttle, there is a high-pitch whistling sound coming from the engine bay it seems. It sounds like a vacuum leak or exhaust leak would. However, when I try to replicate this sound in neutral (standing still) there is no such sound. The sound intensifies with engine speed and can be present in any gear above a certain load on the engine, usually during hard acceleration or going uphill. The AC does’t have to be on for the sound to appear. Do you have suggestions on how to narrow down this problem or areas to check?
Your input is appreciated. Thanks!
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Any chance you can get the sound on video?
[quote=”relative4″ post=189233]Any chance you can get the sound on video?[/quote]
I was out if town, finally got a chance to record a video. You should be able to hear the sound in the video link below. There are three clips, first two are driving. The sound changes pitch at vtec engagement. The third is just standing still and reviving in neutral, accidentally bumped off the rev limiter and heard the sound, so did it again lol.
Hi I have the same problem. Did you find the cause to be vaccuum leak or air intake issue?
Were you ever able to figure out what this was? My 2004 CRV AWD does the exact same thing. Mine, however, is a stick. I figured it was a pinhole in the exhaust somewhere near the cat but I have no idea. Either that or a pulley.
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