How to install a fuel pump on an S550 Mustang (2015-2017) DW400 Install

How to install a fuel pump on an S550 Mustang (2015-2017) DW400 Install
In Depth Tutorial on Installing a DW400 upgraded low pressure fuel pump on an ecoboost, 3.7 or 5.0 gt mustang
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Auto Mafia Racing LLC, and Auto Mafia LLC are in no way telling you to attempt these mods, or to drive, or do what we do. Please consult a professional mechanic prior to doing any work on your vehicle. We will not be held liable for any actions taken due to the viewing of these videos.
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[@josueruiz6980]

Wish me luck fellas I’m about to change my fuel pump today hopefully it goes as smoothly as this video

[@automafiaracing]

Let us know how it went

[@trumpie4206]

i’m guessing it failed

[@automafiaracing]

Lol

[@ryanb821]

At this point it definitely failed.

[@automafiaracing]

Lol what happened

[@BloodyWars]

I need one! Add that to the list of parts I need for the 2.3L Fusion and it is in the same place as S550. 😁

[@automafiaracing]

Yup

[@truckandroll989]

What is different about the 18+ cars. Just snagged a DW400 for my ‘21 Hellion Mach 1 and this was super helpful

[@automafiaracing]

Not sure if there is a difference

[@qwicxs]

Thank you great video.

[@automafiaracing]

Glad you liked it!

[@StreetEliminator]

Thank You!!

[@automafiaracing]

Anytime

[@javi5.096]

Better hope they started adding the check valve in the pump or it’s real fun to start. Had to buy a stock one and send it to DW for a check valve.

[@automafiaracing]

They did start putting them in and most places finally ran out of the old stock that didn't have them.

[@skipbrainless7527]

Would love a walk around of that clean red s550 🔥🔥🔥

[@anthonyrowzee6454]

Mine is having trouble starting on hot starts. Could that be the check valve problem? And if so any info on how and where to put one on

[@javi5.096]

@@anthonyrowzee6454 I tried everything when I had it and the only way . Is send it back to DW and they will install inside like stock

[@automafiaracing]

Could be. But I'd check to make sure no hoses came loose too. DW has been good about warranty.

[@boostnit]

This is great! Do you have a vid on JMS BAP install?

[@automafiaracing]

We do not and will never recommend a BAP. So we will not be doing an install guide.

[@Swerzuh]

​@@automafiaracing don't recommend a BAP but will recommend a shitty pump like the DW400?

[@NathanaelNaused]

Also do these cars or the 11-14 have any kind of pressure sensor for the fuel rail? I can't find one anywhere.

[@automafiaracing]

I believe its an inferred pressure. So no actual sensor no.

[@edwinavila4457]

Can I get part numbers for the specialty tools y'all use

[@automafiaracing]

Just search mustang fuel tank tool

[@TheLoneWolf_andCoyote]

Does this fuel pump require a higher amp fuse or a different relay for it's additional amp draw?

[@automafiaracing]

Stock is fine

[@KurdishGhost55]

Does it take increase power without doing anything else?

[@automafiaracing]

the fuel pump does not increase power

[@Nonya890]

Do a video of fuel injectors now

[@automafiaracing]

It's posting soon we made one.

[@mattmurphy6157]

Is there a need for a return system in these cars with this pump? Local shop tells me it will burn out quickly without a return system...is this pump overkill for a 500whp car?

[@automafiaracing]

This pump is perfect for a 500 hp car. Over 600 on E85 we suggest full return style systems.

[@SIK50H]

What’s hose on the bottom of the pump called ? What do it do ?

[@automafiaracing]

Siphon hose I think

[@mhuffer94]

I’m in SWFL do you guys do installs? 2020 Ford Mustang. I’m prepping for boost in the near future. I’m assuming this will work “stock” until my ESS comes in. I’m on 93/e85 rn.

[@automafiaracing]

We are now located in Billings, Montana.

[@NathanaelNaused]

Does installing a higher capacity fuel pump like this one cause the car to need a retune if the rest of it is stock?

[@automafiaracing]

No

[@t5.0ny]

Can I use stock injectors?

[@automafiaracing]

Yes on 93. Not on E85

[@Mr10Speed334]

@@automafiaracing what size injectors would i need to use on e85

[@automafiaracing]

Our MU52s we keep in stock do the trick for e85. 📬 Contact AMR for build advice and guaranteed lowest prices. 📞 941-979-1132 📧 [e-mail] www.automafiaracing.com

[@grantsloan2698]

When I installed mine, the car wouldn’t turn over. I looked over the install and everything looked good. U think it could be a defective fuel pump from DW?

[@automafiaracing]

Could be. Id remove it and bench test it. Then call DW if its dead.

[@whipplejosh]

Did you figure it out???

[@Hdfire55]

Im having trouble getting the adapter hose disconnected. Any advice?

[@automafiaracing]

push the clip then hit it with your purse.

[@Hdfire55]

@@automafiaracing okay keyboard warrior

[@jimmiejohnson2146]

He said, they've done many of these. As he taking it apart he sure is manhandle everything. I'm saying to myself, he's gonna break something. 🙄

[@automafiaracing]

Literally done hundreds

[@t5.0ny]

Will this require larger injectors + a retune if already tuned for E-85?

[@automafiaracing]

Nothing required from installing this pump. Not even a tune. But to run E85 yes you need a tune

[@automafiaracing]

And larger injectors.

[@calvinb2612]

Hey man what is the name of the harness there

[@automafiaracing]

The fuel pump relay?

[@nc_g8gt]

do i need to install one in my mustang with full bolt ons? cams, cold air intake, headers, exhaust

[@automafiaracing]

wont hurt!

[@nc_g8gt]

@@automafiaracing so it wouldn’t hurt if i didn’t?

[@businessmaster3419]

Can it use with regular gasoline 87-93 ?

[@automafiaracing]

Of course. 📬 Contact AMR for build advice and guaranteed lowest prices. 📞 941-979-1132 📧 [e-mail] www.automafiaracing.com

[@adolfocoronado3800]

Is this the same process for s197s?

[@automafiaracing]

Virtually. We will be making an S197 install video next week

[@gilbertobasultojr.5688]

How much is it to do this? Approximately

[@automafiaracing]

The fuel pump? We generally charge 2-3 hrs of labor for it.

[@garlandtxcuh9497]

Do you need a tune for that

[@automafiaracing]

no

[@TheChoice84]

Is this compatible with a vortech Bap

[@automafiaracing]

DO NOT USE BAP EVER!!!

[@CesarRamirez-qc1fm]

does s550 have a fuel filter?

[@automafiaracing]

not like the old school kind its pretty much built in

[@CesarRamirez-qc1fm]

@@automafiaracing I am starting to have problems while accelerating my car is running too lean, you guys think if i change my fuel pump kit is maybe going to change?

[@xRC3xx]

😂😂😂 gotta go fishing 🎣

[@automafiaracing]

Yup

[@LAQueenBee0313]

Does this work on 2018 aswell?

[@automafiaracing]

Yes

[@automafiaracing]

📬 Contact AMR for build advice and guaranteed lowest prices. 📞 941-979-1132 📧 [e-mail] www.automafiaracing.com

[@DemonsxXx100]

Does this fuel pump help get more whp or trq? With a tune?

[@CAKEwasTRUE]

Not directly. It gives the car more potential and protects against failure. When you start adding things like an auxiliary fuel system/port injection and big turbo upgrades, its best to also upgrade the low pressure pump since the demand for fuel will be higher (especially when switching to E85). All that stress on the stock pump could kill it in my experience.

[@automafiaracing]

Not directly is correct. It just allows enough fuel to be supplied to make more hp.

[@DemonsxXx100]

@@automafiaracing hey by any chance you might know what my issue is on my 16’ Mustang Ecoboost I’ve been getting random misfires when usually flooring the gas on cylinder 1 & 4 and the check engine light comes on and off and my car shakes and after cruising a bit goes away any thoughts?

[@automafiaracing]

Send a log to your tuner and check the codes. Probably needs new spark.plugs

[@DemonsxXx100]

@@automafiaracing well I changed the spark plugs, ignition coils, and I’m not sure what else to check but I’ll definitely try to send a log to Adam thanks

[@FJTabb]

I'm installing a Vortech Supercharger and with a jms bap something is wrong at 5000 rpms, it's running lean. Would I need a bap with this fuel pump running a Supercharger?

[@automafiaracing]

That depends on a lot of stuff

[@FJTabb]

@@automafiaracing only running 93, it's nothing crazy

[@ruinedeco3526]

First 🤓

[@automafiaracing]

Nice

[@MrDaavee]

Imagine thinking you need a fuel pump that can flow 650+hp on an NA v6. Or just about any stock turbo car out there... Even a coyote with boost can run up to 720whp on the stock fuel pump with a BaP. Lol, damn people have more money than brains.

[@automafiaracing]

an upgrade is needed for E85 on most cars. Also on these cars now with 150k+ miles the fuel pumps have gotten weak. We NEVER recommend a BaP as they have been known to kill pumps and then bam toasted engine. Plus the DW400 is cheaper then a BaP!

[@MrDaavee]

I never said to get a BaP. Just saying a BaP works very well, and they don't blow pumps. Have many friends who been running BaPs on their mustangs for 8+ years now with the factory pump making 600-680whp on e85 and well over 100k miles. My mustang on the other hand actually requires not only 1, but 2 big pumps as the car is making just over 1xxx whp. That pump you pulled out of the v6 tank is the same pump in the GT. There is no difference. A dw400 is on par with price with a bap, but the oem pump is a fraction the price of a dw400, works perfectly well with e85 as Ford made most of their cars ethanol safe. Again, imagine thinking you need a huge pump to make factory levels of horsepower.... lol