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What is this sound?

3736 Views 17 Replies 12 Participants Last post by  Dgaustin124
Prima Edizione #44.
When I shut off the engine (push button in off mode), I notice a high pitch electronic tone that persists for a minute or so, and then shuts off. Any clue what this sound is? Anybody else notice it? It's probably on the upper end of frequency that most of us can hear, so the sound might be there even if you can't hear it.
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Having come over from a 500 Abarth, I would agree with Greg that you are probably describing a pump that will run to cool the turbo down after shut off. If kept out of boost and run gently when approaching your destination, the pump will sometimes not activate, at least on my 500.
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