Jay035 Posted November 25, 2019 Share Posted November 25, 2019 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 Quote Link to comment Share on other sites More sharing options...
DaveT70 Posted November 25, 2019 Share Posted November 25, 2019 It's the injectors opening and closing 1 Quote Link to comment Share on other sites More sharing options...
Jay035 Posted November 26, 2019 Author Share Posted November 26, 2019 Cool it's rather noisy definitely reminds me of tappet noise on older engines maybe it's the design and characteristic of ford engines Quote Link to comment Share on other sites More sharing options...
JW1982 Posted November 26, 2019 Share Posted November 26, 2019 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. Quote Link to comment Share on other sites More sharing options...
Jay035 Posted November 26, 2019 Author Share Posted November 26, 2019 Thanks guys I learn something new everyday. I'm starting to show my age Quote Link to comment Share on other sites More sharing options...
alexp999 Posted November 26, 2019 Share Posted November 26, 2019 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. Quote Link to comment Share on other sites More sharing options...
Jay035 Posted November 26, 2019 Author Share Posted November 26, 2019 Ahh i see, because the mk4 is port and DI does build carbon on the injectors like the DI only engines? Quote Link to comment Share on other sites More sharing options...
alexp999 Posted November 26, 2019 Share Posted November 26, 2019 It shouldn't do, at least not as much. Quote Link to comment Share on other sites More sharing options...
Jay035 Posted November 26, 2019 Author Share Posted November 26, 2019 Il refrain from adding a catch can at this point il use a boroscope once it's done some miles Quote Link to comment Share on other sites More sharing options...
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