There is a ringing noise every time I push on the gas pedal going speeds of 50 MPH or higher?

KALAYA

MEMBER
2005 ACURA TSX
4WD
AUTOMATIC
105,000 MILES

It stops when I lift my foot off the gas and continues when I push it. It will go away after like 10 mins but it’s a really high pitch sound like the sound after your ears pop. And I hear it from the inside like it’s coming from the radio or something.

7 Replies

KEN L

MASTER CERTIFIED MECHANIC
47,602 POSTS

Is the radio on when you hear the noise? It sounds like you have a partially clogged catalytic converter.

This guide can help tell for sure:

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

Can you please shoot a quick video with your phone so I can hear the noise? That way I can tell for sure what's going on. You can upload it here with your response. We need to hear the noise, so we know which direction to go to help you fix the car. It takes time to upload so please be patient.

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Friday, February 16th, 2024 AT 11:16 AM

KALAYA

MEMBER
5 POSTS

You can’t really hear it well but the air and radio is off. As I go faster than 60 MPH the pitch gets higher and louder.

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Sunday, February 18th, 2024 AT 7:29 PM

KEN L

MASTER CERTIFIED MECHANIC
47,602 POSTS

Is this a hybrid model? Can you tell where it is coming from front or rear? Thanks for the video.

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Monday, February 19th, 2024 AT 8:55 AM

KALAYA

MEMBER
5 POSTS

No, not a hybrid model, and it seems to be coming from the front, like almost from the radio. Also both the screens are extremely dim and I don’t know how to fix that.

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Monday, February 19th, 2024 AT 10:13 AM

KEN L

MASTER CERTIFIED MECHANIC
47,602 POSTS

Okay, it sounds like the alternator or battery needs to be replaced. This sound can come from the electrical system/alternator if one of the diodes inside the alternator has gone out or if the battery is having a problem and the alternator is overworking causing the noise. I would use a voltameter and switch it to AC voltage, then rev up the engine while the leads are connected to the battery, the voltage should stay at 0, if you get any voltage the alternator is bad.

Here is a guide to help you:

https://www.2carpros.com/articles/how-to-check-a-car-alternator

and

https://www.2carpros.com/articles/how-to-use-a-voltmeter

Here is how to change the alternator in case you need it or what to see what needs to be done. Check out the images (below). Let us know how it goes.

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