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Direct Injection Noise, Sewing Machine Syndrome

FischAutoTechGarten

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I've done both as well and I don't think it made too much of a difference... maybe it changed the pitch of the sewing machine... I might try that additional insulating material under the hood insulation.

It does look better... When I pop the hood it doesn't look like an unfinished engine bay like it did when new. So, probably a bit of a placebo effect for me.... it looks nicer, so it must sound nicer? LOL...

Ford Maverick Direct Injection Noise, Sewing Machine Syndrome EcoBoostEngineCover


Ford Maverick Direct Injection Noise, Sewing Machine Syndrome HoodInsulation
 

Meeka

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I've done both as well and I don't think it made too much of a difference... maybe it changed the pitch of the sewing machine... I might try that additional insulating material under the hood insulation.

It does look better... When I pop the hood it doesn't look like an unfinished engine bay like it did when new. So, probably a bit of a placebo effect for me.... it looks nicer, so it must sound nicer? LOL...
I've done both as well and I don't think it made too much of a difference... maybe it changed the pitch of the sewing machine... I might try that additional insulating material under the hood insulation.

It does look better... When I pop the hood it doesn't look like an unfinished engine bay like it did when new. So, probably a bit of a placebo effect for me.... it looks nicer, so it must sound nicer? LOL...

EcoBoostEngineCover.jpg


HoodInsulation.jpg
Looks good! Where did you get the under hood insulation from if you don’t mind mind.
 

FischAutoTechGarten

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CarbonGrayFX4

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I've done both as well and I don't think it made too much of a difference... maybe it changed the pitch of the sewing machine... I might try that additional insulating material under the hood insulation.

It does look better... When I pop the hood it doesn't look like an unfinished engine bay like it did when new. So, probably a bit of a placebo effect for me.... it looks nicer, so it must sound nicer? LOL...

EcoBoostEngineCover.jpg


HoodInsulation.jpg
%100 it looks better, or maybe more accurately, it looks like it should. It is obvious to me that the missing sound and heat insulators are nothing more than cost savings on Ford's part. Kind of like the way badging other than the Blue Oval has been slowly disappearing from each subsequent model year. The ecoboost badge is no longer used, my FX4 doesn't have the AWD badge and I believe 2025 hybrid models no longer have the Hybrid badge.
I used fairly inexpensive closed cell foam on the back of the hood mat. The PET felt definitely didn't block any sound on its own.
You should think about trying the cowl insulator pad from the Bronco Sport I linked earlier in this thread. It looks factory and blocks a couple more decibels coming through the hollow plastic cowl. $55 dollars shipped directly from Ford. I had to drill 4 small 5mm holes for the plastic rivets. I backed it with 1/8 closed cell foam, as well.
 

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dmo94556

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My last vehicle being a whisper quiet, port injection, Acura V6 the first time I cold started my brand new Maverick I just about had a heart attack. I thought the valve train was self destructing. I was ready to drive straight back to the dealership and make a fool of myself. Luckily I remembered one of the many dozens of reviews I read and watched mentioned a “slight” injector noise. I did a lot more reading and figured I was hearing normal direct injection racket. I never noticed it on any test drives but I think the sales rep had always warmed up the engine beforehand. I found a very few reviews that even mentioned the high pressure fuel pump as being exceptionally noisy. I guess it bothers some people more than others.
Long story short. I did take it back to the dealership and they agreed it did seem to be louder than usual. They replaced the HPFP as a warranty item but the noise level was about the same. I wish I had thought to ask them to replace the cam follower.

I thought I would share my partial solution to my non problem, problem for anyone else bothered by the God awful racket the 2.0 ecoboost makes. It still sounds like an industrial sewing machine but it no longer makes my stomach drop on cold starts.

The engine cover, of course, was first. That took the edge off. Then I added the Maxzina hood mat which made little to no difference on its own but I added a self adhesive 1/4” thick closed cell foam backing cut to match the mat and additional fastening points. That took the sound down a little more A word of warning about the hood mat. DO NOT USE the supplied fasteners for the bottom left and right attachment points. THEY ARE TOO LONG and will push through the top of the hood. I found out the hard way and it cost me $150 for PDR. I haven’t seen this anywhere before but I added a cowl insulation pad from the Bronco Sport sound isolation package. I had to drill four small holes to attach it with plastic rivets. I think it looks good like it belongs. Pictures below. Not pictured are the fender insulation pads on both sides and the “energy absorber” that goes above them. I will probably add closed cell foam to the back of the cowl insulation
at some point. I have spent a stupid amount of time and money trying to hush up the direct injection system which I attribute to my initial trauma. I can provide more details if anyone is interested. Thanks for letting me share!
IMG_3431.jpeg
IMG_3432.jpeg
IMG_3433.jpeg
IMG_3434.jpeg
What is the p/n for the Ford Engine Cover? Thanks
 
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CarbonGrayFX4

CarbonGrayFX4

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K2GZ-6A949-B is the part number for the 2.0 ecoboost ( 2024 and earlier) . They hybrid is another story, I can't help you there.
 

RJC

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Put the Lincoln cover on mine , certainly has made a difference especially when you are at the drive through at Tim Hortons
Ford Maverick Direct Injection Noise, Sewing Machine Syndrome 20250531_173711
 

MakinDoForNow

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Hmmmm! The thought of reprogramming the engine sound of my Hybrid to that of a well oiled Singer Sewing Machine is tempting right after the reverse "doink" sound to that of an Underwood Upright Carriage Return!
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