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1.6 EcoBoost petrol, noisy injectors?

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Hey guys,

 Quick question. 

Do all EcoBoost engines have really loud injectors?  Is it normal? Is it due to being direct port injection so needs more force to keep the injector closed when the engine is firing?  

OR, is there something wrong? I used a big screwdriver like a stethoscope and the engine is silent. All the noise comes from the fuel rail. Or at least appears to.



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Funny enough I was just watching this vid on the differences between DI and Port injected engines:

I know bugger all but the bloke in the vid did comment that injectors in DI engines have higher flow rates and have to cope with higher temps.  I'm suffering from injector problems so was on a quest for knowledge lol.

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