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MazdaSpeed 3/6 - Fuel, Nitrous & Water Injection MazdaSpeed 3/6 - Fuel, Nitrous & Water Injection Have a CDFP fuel pump question? Do you want to add Nitrous or Water Injection to your Mazdaspeed 3/6 ? Please come on in!


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 Old 02-02-2019, 01:44 AM   #1
 
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Default Spare fuel rail anyone?

Hey everybody. Does anyone have a spare OEM fuel rail with a sensor on it that still works? I’ll pay for it. Or any ideas on what it might be? It’s throwing a P0193: fuel rail pressure sensor circuit high output.
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 Old 02-02-2019, 04:37 AM   #2
 
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Do you have an AP?
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'06 MS6 GT-167k Miles(Forged@157,116)
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CS Turbo/DP/RP/HPFP/BPV/R-DiffMount
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Other rides:
2014 F-150 XLT SuperCrew Ecoboost
2002 Tacoma ExtCab 2.4L 5spd 2WD
2004 Olds Alero ECOtec 2.2 - Broken
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2008 GSX-R 1000 - Stolen
1988 RX-7 TII - Sold (13.467 @ 105.44)
1985 Camaro - Sold (est. 265bhp 5.7 swap, Edelbrock intake & Hooker headers)
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 Old 02-02-2019, 01:20 PM   #3
 
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Originally Posted by Fstrnyou View Post
Do you have an AP?
Yes I do.
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 Old 02-02-2019, 01:31 PM   #4
 
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What is the fuel pressure reading when you get the CEL?
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'06 MS6 GT-167k Miles(Forged@157,116)
Manley Pistons & Rods, King Bearings
Stock Head/Cams, Stock Int/Exh Manifolds
Versatuner, 3-bar MAP, ITV22, CP-e TMIC
CS Turbo/DP/RP/HPFP/BPV/R-DiffMount
White Widow F-DiffMount, Whiteline RSB
Rear Russian Bushings, Poly FSB Bushings
Magnaflow CBE, ACT 6-puck/Streetlite
JBR Tru-3.5/3-port EBCS/EGR-D
Damond RMM/PMM/OCC/PCV Plate
Other rides:
2014 F-150 XLT SuperCrew Ecoboost
2002 Tacoma ExtCab 2.4L 5spd 2WD
2004 Olds Alero ECOtec 2.2 - Broken
History:
2008 GSX-R 1000 - Stolen
1988 RX-7 TII - Sold (13.467 @ 105.44)
1985 Camaro - Sold (est. 265bhp 5.7 swap, Edelbrock intake & Hooker headers)
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 Old 02-02-2019, 02:02 PM   #5
 
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Originally Posted by Fstrnyou View Post
What is the fuel pressure reading when you get the CEL?
The fuel pressure is stuck at 24xx and the fuel rail pressure sensor says 0v.
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 Old 02-02-2019, 03:31 PM   #6
 
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Yep. Check your coil pack harness for a broken connection.
It could also be in the injector harness or possibly anywhere between the ECU and sensor.


My fuel pressure signal wire was returning 0v intermittently because it was broken at the crimp in the large connector in front of the intake manifold.
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'06 MS6 GT-167k Miles(Forged@157,116)
Manley Pistons & Rods, King Bearings
Stock Head/Cams, Stock Int/Exh Manifolds
Versatuner, 3-bar MAP, ITV22, CP-e TMIC
CS Turbo/DP/RP/HPFP/BPV/R-DiffMount
White Widow F-DiffMount, Whiteline RSB
Rear Russian Bushings, Poly FSB Bushings
Magnaflow CBE, ACT 6-puck/Streetlite
JBR Tru-3.5/3-port EBCS/EGR-D
Damond RMM/PMM/OCC/PCV Plate
Other rides:
2014 F-150 XLT SuperCrew Ecoboost
2002 Tacoma ExtCab 2.4L 5spd 2WD
2004 Olds Alero ECOtec 2.2 - Broken
History:
2008 GSX-R 1000 - Stolen
1988 RX-7 TII - Sold (13.467 @ 105.44)
1985 Camaro - Sold (est. 265bhp 5.7 swap, Edelbrock intake & Hooker headers)
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 Old 02-02-2019, 03:43 PM   #7
 
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I thought it might be a connector. If it does come up to be a connector, am I able to buy some replacement connectors and just replace the connector end of it where it connects? Or do I have to buy a new harness? How did you fix it? Thanks again for the assist.
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 Old 02-02-2019, 03:49 PM   #8
 
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I attempted to open up the crimp to redo it, but it's too damn tiny for the tools I have, so I just stripped back some clean wire and soldered it on top of the crimp.
I think the original wire was pretty tight, so I believe I soldered on a short piece of wire to relieve the tension.

I'm not a fan of soldered connections in vibration environments, but I didn't have much choice here.
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'06 MS6 GT-167k Miles(Forged@157,116)
Manley Pistons & Rods, King Bearings
Stock Head/Cams, Stock Int/Exh Manifolds
Versatuner, 3-bar MAP, ITV22, CP-e TMIC
CS Turbo/DP/RP/HPFP/BPV/R-DiffMount
White Widow F-DiffMount, Whiteline RSB
Rear Russian Bushings, Poly FSB Bushings
Magnaflow CBE, ACT 6-puck/Streetlite
JBR Tru-3.5/3-port EBCS/EGR-D
Damond RMM/PMM/OCC/PCV Plate
Other rides:
2014 F-150 XLT SuperCrew Ecoboost
2002 Tacoma ExtCab 2.4L 5spd 2WD
2004 Olds Alero ECOtec 2.2 - Broken
History:
2008 GSX-R 1000 - Stolen
1988 RX-7 TII - Sold (13.467 @ 105.44)
1985 Camaro - Sold (est. 265bhp 5.7 swap, Edelbrock intake & Hooker headers)
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 Old 02-02-2019, 03:56 PM   #9
 
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There you go. Thanks a lot. You saved me time and money. Much appreciated. I’ll update what I find. I won’t be able to get to it till next week though.
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 Old 02-02-2019, 04:49 PM   #10
 
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If it's in the removable intermediate harness like mine, it's an easy-peasy fix.
__________________
'06 MS6 GT-167k Miles(Forged@157,116)
Manley Pistons & Rods, King Bearings
Stock Head/Cams, Stock Int/Exh Manifolds
Versatuner, 3-bar MAP, ITV22, CP-e TMIC
CS Turbo/DP/RP/HPFP/BPV/R-DiffMount
White Widow F-DiffMount, Whiteline RSB
Rear Russian Bushings, Poly FSB Bushings
Magnaflow CBE, ACT 6-puck/Streetlite
JBR Tru-3.5/3-port EBCS/EGR-D
Damond RMM/PMM/OCC/PCV Plate
Other rides:
2014 F-150 XLT SuperCrew Ecoboost
2002 Tacoma ExtCab 2.4L 5spd 2WD
2004 Olds Alero ECOtec 2.2 - Broken
History:
2008 GSX-R 1000 - Stolen
1988 RX-7 TII - Sold (13.467 @ 105.44)
1985 Camaro - Sold (est. 265bhp 5.7 swap, Edelbrock intake & Hooker headers)
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 Old 02-03-2019, 12:50 PM   #11
 
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you can try changing the sensor, IDK why people strongly believe about the sensor "one piece" with the rail, ive changed it before and this sensor is is exactly same as the one in there, i have ap and this sensor reads 0-2000psi or even more, sensor for 2009 chevy cobalt you can get it from local auto parts store,

BTW JMF manifold have a extension that will relocate the sensor, so it is removable.
i have jmf and i also changed the sensor.
one good thing about it is if its not the problem you can return the sensor just brake clean it and say "i didnt use it, its different problem i got"

https://www.autozone.com/engine-mana...hText=80090002
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