Battery drain

Asked by Jan 11, 2017 at 06:32 AM about the 2007 Toyota Camry

Question type: Maintenance & Repair

I'm getting a battery drain  and a
slight humming  when I shut car
off but can't pinpoint it but it stops
when I pull the efi main fuse so
how can I fix this problem

6 Answers


Sounds like a stuck fuel relay, so,strikes you can find the culprit by lightly tapping on the relays one at a time or just replace them. Most parts stores will stock these.


It would be handy if you could locate what exactly is humming.


Suggestion....find your largest Screwdriver. Plug the HANDLE end into your ear and use it as a stethoscope. Let her hummmmm.....and start touching various ares of the vehicle with the blade end of this "scope"....You should have relays under hood....under dash....left and right side kick panels...and maybe behind glove box. Get back with results.

My car has a humming noise when I drive and battery light is staying on

My car humming when I turn it on and my battery light is staying on


Charging system trouble is a hand, very soon it won’t even crank over. Need to have the entire system checked, the humming could very well be the alternator itself.

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