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Hi everybody,

I just bought an used Mazda 3 GT 2010 (2.5L Engine).I'm so used to Honda that I can not tell if this engine sounds normal. So does it sound normal? Is that engine knocking or a normal 2.5L Ford engine sound? youtu.be/qva7fogPfAY

Also,(see pic) is this a hole/crack on the intake manifold?

Note : I'm aware that one of the pulley make noise.

Tks
 

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Not sure if this helps, but I have a 2016 2.5L. If you are referring to the clatter noise.. My car does that too. This is normal for a direct injection motor (which I believe your engine is the L5-VE).

Quote https://www.caranddriver.com/featur...aw-control-and-direct-injection-ticking-noise
"The ticking noise is probably the main control solenoid on the high-pressure fuel pump.... The reason for the noise level is the extremely high pressures at which the direct-injection fuel system runs"

Can't tell what is going on in the picture.

EDIT: Looks like the non-sky engines to not have DI.. Bet that it is still the fuel injectors.
 

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or are you talking about the whump whump whump noise?

give us a clue what you think is not usual, either by description or time on the vid.........
 
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