2009 Honda CRV high-pitched sound after engine is off

Tiny
PATTAS
  • MEMBER
  • 2009 HONDA CRV
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 3,000 MILES
Hi, recently I started noticing this prolonged beep for 10-15 seconds after I turn off my car. It kind of sounds like those high pitched sounds you hear from electronics every once in a while, but less intense. The sound is low, so you can only hear if I'm parked in my garage. I'm wondering if there is any problem with my car.
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Sunday, January 18th, 2009 AT 4:51 PM

6 Replies

Tiny
KHLOW2008
  • EXPERT
Hi pattas,

If you are not sure and being new car, you should get advice from the dealer as it should be under warranty.

As to the noise, not sure what it is and needs clarification.

Is it like whistling? Could be from the EVAP system

Ticking? Intermittent only? If yes, is from exhaust and is ok.
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Saturday, January 24th, 2009 AT 6:32 AM
Tiny
KARENCAREN
  • MEMBER
Yo dude. Your car is still under warranty. So better go to your dealer and let them check that for free. No hassle.
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Tuesday, March 10th, 2009 AT 10:46 PM
Tiny
CHARLIEB
  • MEMBER
I too have that 15 second high pitch noise once the engine is turned off.A 2009 CRV, 2 months old.
Any feedback on what is could be.
When I pop the hood, I can hear it while idling.
CharlieB
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Sunday, March 29th, 2009 AT 10:12 AM
Tiny
KHLOW2008
  • EXPERT
Hi CharlieB,

What you have could be a vacumn leaking and if it lasts for 15 seconds, I would suggest testing the brake master power vacumn.

After turning engine off and when noise is gone, depress the brake pedal, if the first time is soft, the vacumn should be ok. If brake pedal is hard, then there should be a vacumn leakage.
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Sunday, March 29th, 2009 AT 2:30 PM
Tiny
CHARLIEB
  • MEMBER
Tried the barke pedal push after the noise stopped. It is soft like you stated.
Still don't know what it is. Will have to take it in.
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-2
Tuesday, March 31st, 2009 AT 5:14 PM
Tiny
KHLOW2008
  • EXPERT
If it is vacumn laekage causing the hissing noise, the other possibile item to check would be the EVAP canister.

Noise are never easy to diagnose without the physical vehicle so the best option is to get someone to diagnose the source on vehicle.
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Wednesday, April 1st, 2009 AT 8:23 AM

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