hpfp

2012 mazda mazdaspeed3 VIN: JM1BL1L31C1517723 condition: like new cylinders: 4 cylinders drive: fwd fuel: gas odometer: 106000 paint color: black size: mid-size title status: clean transmission: manual type: wagon I'm second owner. First owner sold it back to dealer at 1000 miles. Selling...

So I've been trying to find out what's been goin on with my hpfp. I just got a new oem one because I thought that was the problem but guess what it wasn't. Looks like I wasted $400 lol. But my problem I found was that it's not getting the voltage it needs. I put a jumper wire from the battery to...

I thoght i had a bad hpfp so i got a used but told it was tested and was good. I'm only getting 50 to 70psi at the rail using obd2 tool. i don't know if it is a wiring prob or just two bad pumps. i got 8.6v at the pump wires when my car was off but key on. i can't find anything on here like that...

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