Update, I fixed the problem by changing the engine harness. This MS3 had a front collision with the previous owner and I assume the harness was...
Ahh man, I'll try that sensor out and see. Here is a recent datalog of me driving around. Can't pass 10 psi boost and it starts cutting up at the...
I ordered the NTK Direct Fit o2 sensor from Oreilly's for about 420 dollars. I'm not sure If this is OEM. I have only changed the primary since...
I haven't done a boost leak-down test yet. I don't know my LTFT at idle fully warmed up yet. Normal driving conditions are clear weather around 70...
I took a look at my injectors and it turns out one of them was loose. I tightened it up and it drove fine. The issue I am now having is that it's...
so I just went on the first drive and the problem went away after damn near half a year of repairs. I am running a corksport stage 2 short ram...
It wont let me build boost, and when it gets close to boost, it starts cutting up really bad. Almost like antilag. I assume it's in limp mode. Any...
Hey guys, A while back I bought this 2012 Mazdaspeed 3 with a few mods: Catback exhaust, Intake, and BOV 50/50 with Autotech hpfp internals. 5...
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