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Rick_

Rick_

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Submitted 599 days ago...

Zantac744

Zantac744

New User (5)

2001 LEXUS ES300 Noise

On my 2001 Lexus ES300 when you initially turn on the key it makes a loud humming noise for 15-30 seconds. I this some type of warning buzzer or what?

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Answer 1 / 2 - Submitted 598 days ago...

Rick_

Rick_

Expert (685)

This is probably your electric fuel pump building up pressure , it could be loosing pressure when it sits for a period or time or maybe you fuel pump is just getting louder form ware and will need to be replace soon , you might wont to have this checked out at your dealer , before it gives you a problem

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Answer 2 / 2 - Submitted 598 days ago...

Zantac744

Zantac744

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When you turn the key on the noise is coming from the front of the vehicle, somewhere in the dash area?

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Comment 1 / 2 - Submitted 591 days ago...

Zantac744

Zantac744

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IT WAS THE ONLY ANSWER SUBMITTED.

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Comment 2 / 2 - Submitted 590 days ago...

Rick_

Rick_

Expert (685)

It is probably the fuel pump replay working to build up gas pressure for the fuel injector system , if your car is running ok and no check engin light is coming on , its nothing to worry about they do that when they get a lil age on them , if it worries you take it to the dealer

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