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Discussion Starter · #1 · (Edited)
buzzing sound when switched on

My 2011 Cruze LS makes this buzzing sound once the ignition key is flicked on. It used to go off after a few seconds but it never does now.

I would like to know exactly where this sound is coming from in the engine bay under the hood since I could not locate it - and also what is causing it.

I am concerned that it could be the fuel pump which definitely will be unsafe to keep running at all times!Any suggestions?Thanks,omieboy
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