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Old 10-23-2015, 10:52 PM   #1
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Fuel pump upgrade

I'm gonna upgrade the fuel pump very soon. I'm sure it's maxed out with the cams and new injectors so what's a good upgrade that is plug and play.. Just something I can put directly in to replace the old one?

Also will I need a retune with the new pump since it will pump more


04 GT: CAI, 3.73, Longtubes, Full exhaust, FR500 locker diff, Comp Cams 270's, Short throw, Pullies, BBK 73mm TB, MSD coils, 47lb injectors, MPT tuned, Steeda lowering springs, Front strut bar, MM caster camber plates and the list goes on.
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Old 10-23-2015, 11:09 PM   #2
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Boost a pump will be fine... You can data log a few pulls to see your fuel pump duty cycle.


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Old 10-23-2015, 11:15 PM   #3
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I'm assuming my pump is the problem. I went to 47lb injectors (overkill I know but they were cheap and I have future plans) but MPT sent me a base tune and I'm getting a fuel rail pressure sensor code I'm thinking the fuel pump is maxed and it's messing with the sensor.. I still have to datalog it and send them the log so they can adjust fuel trims and everything and that alone might fix the issue but just incase I might as well upgrade the pump since it's more than likely factory


04 GT: CAI, 3.73, Longtubes, Full exhaust, FR500 locker diff, Comp Cams 270's, Short throw, Pullies, BBK 73mm TB, MSD coils, 47lb injectors, MPT tuned, Steeda lowering springs, Front strut bar, MM caster camber plates and the list goes on.
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Old 10-23-2015, 11:16 PM   #4
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You can read fuel pump duty cycle from your X4. I have no idea what it should be at. But it wouldn't hurt to look before you go spending money on a new pump.


2003 GT: JLT CAI, summit 75mm TB, C&L plenum, 24# injectors, Mac Prochamber, SLP LM1 cat back,
3.73 Gears, FR500 Diff, FR500 diff cover, Jmod trans and shift kit, Max Motorsports subframes, shrader performance rear seat delete, APSX D2 wideband, MPT happy customer.
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Old 10-23-2015, 11:21 PM   #5
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I didnt bother to wait around. When I did my injectors I did my pump. Super cheap. http://www.lethalperformance.com/aem...FU5qfgod1aMOCA

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Old 10-23-2015, 11:33 PM   #6
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I believe the Ford Focus pump is a direct replacement and flows more than stock.


2003 GT: JLT CAI, summit 75mm TB, C&L plenum, 24# injectors, Mac Prochamber, SLP LM1 cat back, 3.73 Gears, FR500 Diff, FR500 diff cover, Jmod trans and shift kit, Max Motorsports subframes, shrader performance rear seat delete, APSX D2 wideband, MPT happy customer.
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