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Mk4 1.5 noisy tappets??

Jay035
Jay035
in Ford Focus Club

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Mk4 1.5 ecoboost in auto 

Has anyone notice clicky/tappy noise from engine between 2500rpm to about 3500rpm? Gets faster as I rev or drive spirtitedly 

Is this normal? Someone mentioned its the high pressure fuel system 

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    It's the injectors opening and closing

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    • Like 1
    • Author

    Cool it's rather noisy definitely reminds me of tappet noise on older engines maybe it's the design and characteristic of ford engines 

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    It is just a characteristic of a direct injected petrol engine. Basically every direct injected petrol engine has this. Most direct injected petrol engines have a sound insulated cover to reduce the noise of the fuel injectors. 

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    • Author

    Thanks guys I learn something new everyday. I'm starting to show my age 

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    It’s probably more noticeable as it’s also got port injectors so it’s really quiet at idle, compared to previous ecoboosts with only DI that are noisy all the time. 

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    • Author

    Ahh i see, because the mk4 is port and DI does build carbon on the injectors like the DI only engines? 

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    • Author

    Il refrain from adding a catch can at this point il use a boroscope once it's done some miles 

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