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Reload this Page THE OFFICIAL HPFP CDFP FUEL PUMP THREAD
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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 04-16-2012, 06:41 PM   #1
 
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Originally Posted by Blackrider View Post
I just did an internal install and my idle fuel pressure is down to 60 PSI, it will climb up to around 300 with a but of throttle. Everything seams to be installed correctly and moving nicely. I fallowed the AT instruction and removed and cleaned everything ensuring to reinstall everything as it came out. Advice?
Take it out and double check everything. 60 psi at idle is very low. Mine idles 410-430 psi. blip of my throttle is around 600-800 psi. Make sure the O-ring isnt torn and the clips are in place.

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Old 04-16-2012, 07:05 PM   #2
 
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Originally Posted by hung380 View Post
Take it out and double check everything. 60 psi at idle is very low. Mine idles 410-430 psi. blip of my throttle is around 600-800 psi. Make sure the O-ring isnt torn and the clips are in place.

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Yeah, I'm going to have to. You can tell the engines not happy with me right now. I just watched some install videos and I honestly cant think of anything I did wrong.
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Old 04-21-2012, 04:01 PM   #3
 
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I showed up today to work on it, started it up, and it held 430PSI. I let it idle for a bit and it was still holding 430PSI. So I took it for a drive and it was hitting all its pressure targets. Perhaps there was a nasty air bubble on the LP side that worked it way out. I have no idea. But I put about 50KM on it today before my Access Port died and it seams to be running great. Now I have to find out why my AP took a dump!
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Tuning - Auto Tech Internals, Cobb Accessport, Grimmspeed 3 port EBCS
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Old 04-21-2012, 04:10 PM   #4
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Originally Posted by Blackrider View Post
I showed up today to work on it, started it up, and it held 430PSI. I let it idle for a bit and it was still holding 430PSI. So I took it for a drive and it was hitting all its pressure targets. Perhaps there was a nasty air bubble on the LP side that worked it way out. I have no idea. But I put about 50KM on it today before my Access Port died and it seams to be running great. Now I have to find out why my AP took a dump!
At 60 psi you were running off the in tank fuel pump psi.
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Old 04-21-2012, 04:17 PM   #5
 
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Originally Posted by G26 View Post
At 60 psi you were running off the in tank fuel pump psi.
That was my guess, I was about to get more pressure out of it when reving however, everything looks to be good now... Other than my AP!
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2008 MazdaSpeed 3
Exhaust - Mazdaspeed & Ebay Downpipe
Induction - MazdaSpeed CAI, Unknown TIP, JBR TIG's & CXR FMIC
Tuning - Auto Tech Internals, Cobb Accessport, Grimmspeed 3 port EBCS
Suspention - Koni FSD's, RX-8 Rims, Potenza RE - 11's 235 / 40 / 18's
Drivetrain - J-Speed Shifter Plate, Sure Anchors, SU RMM
Random - Pontiac G8 Horns

2013 Ford Edge Sport AWD, the family car...
Last edited by Blackrider; 04-21-2012 at 05:22 PM.
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