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hummming noise after ignition switched off

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  • hummming noise after ignition switched off

    I get a low humming noise after the ignition is switched off, this kept going for around five minutes or so? I know about the airbag deactivation after two minutes so its not that and ignition key is off so this confuses me, could it be the alarm? or pressure release somewhere?
    Temporary Car -Toyota Aygo
    New Car - Nissan Pulsar 1.6 Techna with forward radar, heated seats, 360 around view, full leather, reverse, front and side cameras, start stop, sat nav, cruise, active city brake, lane departure warning, self parking,everything but make the morning tea!
    The Yellow "menace" - DS3 Dsport Plus 1.6 THP 150 - Sport Yellow/Black Roof/Chrome Mirrors - SOLD

  • #2
    Most likely the Electric Turbo Cooling pump if yours is a THP engine.

    Is it coming from the front of the engine/front grill?
    Simon

    Peugeot 208 GTi Prestige - Orange Power

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    • #3
      As above, well documented.

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      • #4
        Is there a bee stuck somewhere?

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        • #5
          That's where it is yes. Thanks for solving it.
          Temporary Car -Toyota Aygo
          New Car - Nissan Pulsar 1.6 Techna with forward radar, heated seats, 360 around view, full leather, reverse, front and side cameras, start stop, sat nav, cruise, active city brake, lane departure warning, self parking,everything but make the morning tea!
          The Yellow "menace" - DS3 Dsport Plus 1.6 THP 150 - Sport Yellow/Black Roof/Chrome Mirrors - SOLD

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          • #6
            Well done Joe See, you knew it was a bee
            sigpic

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            • #7
              My Hdi makes weird humming squeaky noises after the engine is switched off but that is AC related as far as i can make out.
              BumbleBee OneTwenteeee!

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