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Heartbeat at ignition
Hello guys,
I just noticed I have a weird noise at start-up, which sounds like a heartbeat. Pretty loud at the beginning and then fades (maybe because I am driving?).
Anyone has an idea what it could be? Is it an air pump giving up?
Thanks for your help!
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2003 2.7 Boxster - Tiptronic - Carrera wheels - OBC - Red calipers - Cat pipes - Modified muffler - Rear speakers - K&N - Litronics
2006 V6 Mustang
2008 ML 350
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