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Discussion Starter · #1 ·
Has anyone noticed that when the car is stopped and the ICE is charging the battery, it sounds like it's knocking? I'm guessing this is either from the load being put on the ICE or the nature of the Atkinson cycle.
 

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Has anyone noticed that when the car is stopped and the ICE is charging the battery, it sounds like it's knocking? I'm guessing this is either from the load being put on the ICE or the nature of the Atkinson cycle.
I am not aware of this, but will pay more attention, when I am in similar circumstances.
 

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Discussion Starter · #4 ·
I am not aware of this, but will pay more attention, when I am in similar circumstances.
It only seems to happen if the battery is so low that the ICE needs to run, not in any other circumstance. That's why I'm thinking it's just the engine being loaded to charge the battery faster.
 
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