Everytime I shut off my 2023 cx5 premium plus there is a "humming" sound from under the hood. I was told this is normal, maybe computer cooling down. Anybody else have this issue.
Engine hum when shut off (2023 CX-5)
- Thread starter mcdonaldst
- Start date
Thank you for the reply. Makes me feel a little better. Hope it is just normal
N7turbo
2023 CX-5 2.5T
It normally stops when the headlights turn off and starts again when you press the power button twice. Many cars do it, even our 2011 Mercedes turbo diesel. I thought it was the high pressure fuel pump priming the injectors-- because that's how you prime a new fuel filter after you replace it.
It's probably making that sound all the time, you just can't hear it when the engine is running.
It's probably making that sound all the time, you just can't hear it when the engine is running.
Don't think it is related to my headlights, because continues after they shut off. I will just believe the tech and this thread that it is normal. Thanks
Many LED headlights have fans to keep them cool. When the car shuts off if the headlights are on a delay timer, the fan will continue to run. It will either shut off with the headlights or shortly thereafter to evacuate more heat.
Thanks for the info
The fuel pump is integral to the fuel tank so unless the hum is coming from back and underneath, probably not. Additionally, powering the fuel pump after the car has been shut off would have no practical purpose. If it's coming from the engine compartment the most likely culprit is the led fans.
N7turbo
2023 CX-5 2.5T
It doesn't sound like fans at all.
They don't sound like fans. They sound like a steady hum/whine.
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- 2016.5 CX-5 GT AWD titanium/black 2016 Miata Club ST MT white
This thread reminds me, anyone remember these Mazda commercials from WAY back?
Piston engine goes boing boing boing while the Mazda goes hhhhhhhhhmmmmmmmmmmm.
www.youtube.com
They ripped off the melody from CDB - Uneasy Rider.
www.youtube.com
Piston engine goes boing boing boing while the Mazda goes hhhhhhhhhmmmmmmmmmmm.
Mazda RX-3 Commercial
Piston engine goes boing, boing, boing, boing.Mazda engine goes Hmmmmmmmmmmmmmmmmmmmmmmmmmm.
www.youtube.com
They ripped off the melody from CDB - Uneasy Rider.
Uneasy Rider
Provided to YouTube by Epic/LegacyUneasy Rider · The Charlie Daniels BandA Decade Of Hits℗ 1973 Sony Music Entertainment Inc.Released on: 1988-08-10Associate...
www.youtube.com
