Humming noise - Toyota Nation Forum : Toyota Car and Truck Forums
7th Generation (2012+) Toyota Camry Discussion for years: 2012+

 
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#1 Old 05-28-2012, 04:13 PM
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Canada Humming noise

First time poster from Canada here, 2012 SE 4 cylinder. Noticed the other day a humming noise from under the rear trunk area, maybe an evap test, seemed to be running for several minutes, I did key on/off and it shut off. How often does this run, is it a battery drainer? PS-love the car!
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#2 Old 05-28-2012, 04:47 PM
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Originally Posted by older View Post
First time poster from Canada here, 2012 SE 4 cylinder. Noticed the other day a humming noise from under the rear trunk area, maybe an evap test, seemed to be running for several minutes, I did key on/off and it shut off. How often does this run, is it a battery drainer? PS-love the car!
When I first got my car, I hear a rather loud noise similar to what you described. I'm not sure what it was, and I never heard it again after that one time .

2012 Camry I4 SE
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#3 Old 05-31-2012, 01:33 AM
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Quote:
Originally Posted by older View Post
First time poster from Canada here, 2012 SE 4 cylinder. Noticed the other day a humming noise from under the rear trunk area, maybe an evap test, seemed to be running for several minutes, I did key on/off and it shut off. How often does this run, is it a battery drainer? PS-love the car!
same here! about a week ago, i was in the garage waxing the leather seats at night. heard a buzzing noise near the rear of the car. i thought it sounded like someone running an air pump outside to pump up their tires or something. i brushed it off.

last night, i heard the same buzzing noise again. time to investigate. i opened the garage and the neighborhood was peep quiet. it is coming from the bottom rear left of the car! i panicked and what do a guy to do? google!

found similiar reports on Edmonds.com point to fuel evaporation leakage check and it is normal. found on page 19 of owners manual.
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