Well think this maybe the issue. Car was running fine, no issues or hesitation and then back to missing. Haven't tried another coil yet but I...
To get my feet wet just going to use the pre loaded versa tunes. Down the read will Maybe try my hand at it or use a versa-tuner which is more...
Well... fixed it... in order to double check since mistakes happen, clearly this is a perfect example, unplugged #1 coil to make sure no corrosion...
Well fuel pressure is no longer an issue but still missing and getting error code P0301. I'm curious if coil is getting signal or worse case is...
Oops wrong post
Well took WAYY longer then it should have to rebuild HPFP. The security torx bolts have probably never been removed in over 300,000+ miles. So the...
Received order today but got wrong part by accident. Called up graveyard performance and he quickly apologized and advised he'll be expediting the...
Now the fun part waiting for parts to arrive. Ordered from Graveyard Performance. Oddly was cheaper to order rebuild kit and upgrade to add pump...
Well got my hopes up for a second, there was still a zip tie to keep nut from falling but unfortunately stock internals. My guess is they removed...
Gonna pull pump first. Doubt internals have been upgraded already but hopefully I get lucky. But at minimum will rebuild it.
Well replaced PRV and pressure has improved allot but misfire still persists and code P0301. Ran test twice to make sure and results were similar...
I do understand RPM and pressure is not directly related but just showing it does make pressure just instantly falls off. New PRV should arrive...
Ok redid test. Ran until was up to temp then ran logger with Versa tune with key on engine off. Once pressure started dropping turned off...
Yes ran for good 5 min and then turned off. Complete drop was with key off for a second. Turning key back on that was my pressure. Not sure I have...
Didn't see any sensors specifically for HPFP only one that shows on or off and they just switched on and off non stop Here is what I took. On the...
K&n
Year/Make/Model: 2007 Mazdaspeed3 Mileage: 330,000ish, unknown miles on engine that was swapped Location: Houston TX Concern: troubleshooting...
So last night check fuel pressure with Torque app and was reading much higher which tells me the Forscan app reads before HPFP. But now it is...
That is actually from Forscan, I'm assuming it's before HPFP. On torque app it show fuel pressure on HPFP much higher. I'll have to take a screen...
Sorry yes I used aftermarket ones. Tried swapping coils and error code didn't change
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