[SOLVED] More fuel issues!

Discussion in 'Mazdaspeed 3 Troubleshooting' started by chris' speed 3, Dec 29, 2022.

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  1. Enki

    Enki Motorhead Platinum Member

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    Does your fuel rail pressure look normal? If not, could be your PRV.
     
  2. chris' speed 3

    chris' speed 3 Greenie Member

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    I had attached logs, its not normal but its not crazy low either. I also just changed the prv
     
  3. VEL0CITY

    VEL0CITY Greenie N00B Member

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    updates? A couple of hours ago I soldered a new connector on to the harness for the fuel pressure sensor because i've been dealing with 0psi issues from the hpfp act. pressure reading. I don't think I solved it from doing that because it bounced back to zero for a bit but problem only happened for like a couple minutes as I was driving around the neighborhood..my connector didn't have the orange grommet in it and the top locking tab was broken is why I chose to solder a new connector on. Also have switched the pressure sensor with a used one from a cx-7. Issue went away for like a week or so.
     
  4. chris' speed 3

    chris' speed 3 Greenie Member

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    my problem was the fuel pressure sensor, i bought a non oem one cause new from mazda was like 1200 they only sell with the rail. That non oem one was squealing so i checked everything else and i ended up just needing to swap it out for a used one from a speed 3 that solved my problems. That car was the spawn of satan
     
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