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Fuel pressure dips

Started by 402Sho, August 30, 2020, 01:34:27 PM

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402Sho

August 30, 2020, 01:34:27 PM
I have a 2010 Taurus sho with about 30k on the clock now bought it with 15k and have had no problems but now as I'm tuning in e30 Brad is having to turn the boost down so far in e30 it's slower then 93 because I'm getting huge fuel pressure dips and once has the car throw a code saying something along the lines of not enough fuel and it's really scaring me I've already taken the e30 tune off and put 93 back into it do you guys have any idea of what it would be or if any of y'all have had thag problem before
2010 Sho non-pp, 93 and e30 tuned by AJP Turbo & Ortiz tuned, EPP Noisemaker Delete Pipe, K&N Drop in filter, 3 inch custom exhaust, livernois catless downpipes, Anthony's Gen 2 Torque mounts, NGK ruthenium spark plugs gapped .026

SM105K

#1
August 30, 2020, 02:07:47 PM
Quote from: 402Sho on August 30, 2020, 01:34:27 PM
I have a 2010 Taurus sho with about 30k on the clock now bought it with 15k and have had no problems but now as I'm tuning in e30 Brad is having to turn the boost down so far in e30 it's slower then 93 because I'm getting huge fuel pressure dips and once has the car throw a code saying something along the lines of not enough fuel and it's really scaring me I've already taken the e30 tune off and put 93 back into it do you guys have any idea of what it would be or if any of y'all have had thag problem before


Seems you need the upgraded HPFP. Some stock HPFP pumps just don't recover or hold pressure like other ones. Also double check that the fuel in your tank is E30. 
"M" 2013 SHO PP | AJPTurbo E30 Tune | FS HPFP | Stock IC with Ice Water DIY Sprayer | PPE Downpipes | Custom Magnaflow Resonator | 3rd Cat Delete | Derale Upgraded Trans Cooler | Dicunzolo Gen2 Trans Mounts| EPP Noisemaker Eliminator | MSD Coil Over Plugs | SP-542's | UPR Dual Valve Catch Can | K&N Drop In | Power Stop Slotted and Drilled Rotors with Stock PP Pads | H&R Springs  | AVS Flush Deflector | 802SHO Custom Splitter | Duraflex Chin Spoiler | Curva Concept C7's | Continental DWS06 Extreme Contact Rubber | 411 HP and 546 TQ |

"The Fukus" 2013 Focus ST | Boomba BOV | FSWerks Short Shifter | Power Stop Brakes | Continental DWS06 Extreme Contact Rubber |

StealBlueSho

#2
August 30, 2020, 04:24:25 PM
^^^^This!

I had a 2010 that didn't like ethanol blends terribly much. I ended up adding methanol to offset the fueling requirements. This of course was back before the upgraded HPFP was developed. If you are looking to run ethanol blends, I would highly recommend spending the money on the XDI-35.

402Sho

#3
August 30, 2020, 09:07:58 PM
Yea I'm just gonna probably end up buying a xdi35 threw my tuner, and I check the ethanol content of the stations I go to about once a week by finding someone already pumping e85 and getting them to put a bit into a glass in the middle of the fill which I feel is the most precise way to do it.
2010 Sho non-pp, 93 and e30 tuned by AJP Turbo & Ortiz tuned, EPP Noisemaker Delete Pipe, K&N Drop in filter, 3 inch custom exhaust, livernois catless downpipes, Anthony's Gen 2 Torque mounts, NGK ruthenium spark plugs gapped .026

802SHO

#4
September 01, 2020, 01:03:09 PM
I'm running E30 now with the XDI35 and DW300C with meth and fuel pressure hasn't changed from when it was 93 and meth.  2800 rail pressure easy.


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IG @802SHO 2010 SHO non PP, Tuned by AJP Turbo, 109 Octane + VP C85 for E30, Ported GH Gen 3 upgraded turbos, Ported 13+ Exhaust Manifolds, Custom FM IC TreadStone TR10C, EPP Hot Pipes, EPP Dual CAI, XDI35 HPFP, Deatschwerks 300C LPFP, Alky Control Methonal Injection, Alky dual nozzle upgrade, Zex Nitrous dual dry shots, Dicunzolo Gen2 torque mounts, MSD Coils, SP542 .026, 160 T, 3bar, Phenolic Spacer, Braille Lightweight Battery, Kirky Lightweight Racing Driver Seat, Catless Downpipes, custom stainless 2.5" double xpipe w/muffler deletes 4" quad tips, UPR Dual Valve Catch Can, 13+ PP Trans Cooler, Econoaid throttle Body Booster, Bravado Tribute 20x9.5 + 32 offset Wheels, Nitto NT555R Front Tires, Continental Extreme Contact DW Rear Tires and all are 275/35/20, H&R Springs all around w/rear cut 1/2", 1" hubcentric wheel spacers m14 1.5 stud/lug conversion, R1 Concepts Geomet slotted/drilled rotors with Heavy Duty Semi Metallic pads, Aeroforce Interceptor Gauge.
Currently World's Fastest Ecoboost SHO
11.063 @ 123.17 MPH!  NED 10/10/20

StealBlueSho

#5
September 01, 2020, 01:22:13 PM
Quote from: 802SHO on September 01, 2020, 01:03:09 PM
I'm running E30 now with the XDI35 and DW300C with meth and fuel pressure hasn't changed from when it was 93 and meth.  2800 rail pressure easy.


Sent from my iPhone using Tapatalk

Yea, you have enough fuel to go bonkers if you want too.. oh wait.. LOL!!

802SHO

#6
September 01, 2020, 01:51:42 PM
Quote from: StealBlueSHO on September 01, 2020, 01:22:13 PM
Quote from: 802SHO on September 01, 2020, 01:03:09 PM
I'm running E30 now with the XDI35 and DW300C with meth and fuel pressure hasn't changed from when it was 93 and meth.  2800 rail pressure easy.


Sent from my iPhone using Tapatalk

Yea, you have enough fuel to go bonkers if you want too.. oh wait.. LOL!!



Sent from my iPhone using Tapatalk
IG @802SHO 2010 SHO non PP, Tuned by AJP Turbo, 109 Octane + VP C85 for E30, Ported GH Gen 3 upgraded turbos, Ported 13+ Exhaust Manifolds, Custom FM IC TreadStone TR10C, EPP Hot Pipes, EPP Dual CAI, XDI35 HPFP, Deatschwerks 300C LPFP, Alky Control Methonal Injection, Alky dual nozzle upgrade, Zex Nitrous dual dry shots, Dicunzolo Gen2 torque mounts, MSD Coils, SP542 .026, 160 T, 3bar, Phenolic Spacer, Braille Lightweight Battery, Kirky Lightweight Racing Driver Seat, Catless Downpipes, custom stainless 2.5" double xpipe w/muffler deletes 4" quad tips, UPR Dual Valve Catch Can, 13+ PP Trans Cooler, Econoaid throttle Body Booster, Bravado Tribute 20x9.5 + 32 offset Wheels, Nitto NT555R Front Tires, Continental Extreme Contact DW Rear Tires and all are 275/35/20, H&R Springs all around w/rear cut 1/2", 1" hubcentric wheel spacers m14 1.5 stud/lug conversion, R1 Concepts Geomet slotted/drilled rotors with Heavy Duty Semi Metallic pads, Aeroforce Interceptor Gauge.
Currently World's Fastest Ecoboost SHO
11.063 @ 123.17 MPH!  NED 10/10/20

StinkinLinkin13

#8
September 01, 2020, 06:21:15 PM Last Edit: September 01, 2020, 06:23:11 PM by StinkinLinkin13
Fuel.fuel.fuel. The weakest link in these cars... I have the Livernois Firestorm HPFP, DW300 LPFP, KB Boost a pump on stock injectors... I'm running E40 but that's mostly because my tuner said that's all the octane he needed for the max timing boost he runs. Could not run E85 without meth because of uncomfortable pressure drops. Probably could run E60 but there's no real performance benefit.
Livernois Catless downpipes with Totalflow mufflers - AJP E40/Meth tune - Firestorm HPFP - DW 300 LPFP - Kenne Bell Boost-a-Pump - 3 Bar Map - Alky Controls Meth Injection - 160° Thermostat - EPP Hot Pipes - AEM Dryflow Filter - BOV VTA - SSM Polyurethane Torque Struts - H&R Sport Springs - 20"x10" Niche Veronas on 275/40-20 DWS06 -
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