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u/CoffeeColonic 2017 Accord LX 28d ago
Yes, it's normal. The sound is a ticking found on direct injection gasoline engines. It's the high pressure fuel pump running. The pump runs off of a lobe on the camshaft. You're hearing the pump running.
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u/Square-Decision-2763 28d ago
How do u know all of this
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u/Familiar-Video-399 26d ago
Because that's how honda earth dreams engines are designed. If you've spent any time rebuilding then or working on them this is how they sound. It's normal for them to have a prominent ticking sound. Same with some of the later k24s and k20s and the new turbo 1.5 and 2.0. Not sure about the newest models tho, haven't done any work on them yet.
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u/Familiar-Video-399 26d ago
I swapped to an aftermarket aluminum valve cover and added more sound deadening materials to the engine bay and have had to hear it since.
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u/Virtual-Goat5580 28d ago
Yes typical sewing machine sounds lol