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Would you say it’s a big difference from the s4 to the s5 ? Currently getting tuned by Freek with the s4 with 6th port and shit feels nice but part of me wants just a bit more ooof

Anyone have a test map ? tried downloading the test map that was sent on this thread but when i load it up in R4 nothing shows up in the fuel maps

noice

I had a buddy of mine have this same issue and it ended up being a bad valve, I swapped out his valve for mine and it solved his pressure issues. I went to a local junk yard pulled out a valve form a cx7and I now suffer the same issue except mine won’t inject fuel into the real

Has anyone tried to use a 50-1200 pump ?

Anyone have instructions on setting up the SSC ?

Nice to see one of us had some success, Friday night got around to putting a fresh set of injectors and seals since it was time to swap them out. In doing so i checked all my vacuum lines made sure everything was tight and nothing was bent or loose went ahead and even took apart the intake...

I am running a 3.5 jbr intake and hmmm I see now while mine idles around 2.4+ yours aims higher around 3+ g/s

If i cant get my hands on a oem sensor whats the best way to test this maf that i have in the car now ? also do the logs show anything to you guys ?

No built motor bnrs4 with supporting mods. I was able to get a log today of the car both when it wanted to run lean & when it wanted to run rich. is there something you guys see that I'm not catching? I notice that the MAF reading in lean condition runs closer to 1.93-2.0 g/s than rich running...

So after a couple days of having the new PRV in the car it started to run lean again compensating 13%+ at times. Could this be a MAF issue or vacuum issue? Also on that note i went ahead and did an oil change on the car and added in some VR1 oil in it and noticed some slight change to the afr...

What ended up being the issue?

Yeah that's what i was thinking about at this point was to just buy a new oem one. I'll run one more test tomorrow see what turns out as far as WOT test

How much psi did that one end up holding ? I went to the local junk yard to get the valve and they had 3 cx-7 in the yard and took all of the PRV from them and came back home and tested them. So far out of the 3 that i grabbed only one hold 1868psi the others would drop around the 1660-1750...

Okay so the valve is needing to be replaced, do they make upgraded relief valves ? i know in his video he mentioned it but didn't know what you get from upgrading it. Also is the valve I'm looking for the brass valve at the end of the fuel rail or the spill sensor on the top of the HPFP? I'll...

So i ended up doing another test on my way home and this time car was ran on highway at 85mph @ 3500k rpm for a good 40 mins straight and soon as i arrived i turned car off and then turned the key back to the on position and watched the psi rise faster and got to 1788psi & then valve opened up...

So I went and tried out the relief test today and notice it takes forever to climb up to pressure we’re talking like more then 5+ mins of watching it and the most it got up to was 1107psi and started to fall down. Would this be a bad valve I’m seeing ?

gotcha

fix to this if anyone finds it helpful was my secondary o2 sensor was reading outside air due to me leaving it plugged in since i had my aem AFR gauge plugged into the secondary bung. This would make the car run rich and after putting it back in everything was all good