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Good morning. Been trying to figure out lately what is causing my excessive crankcase pressure. So much so, that the gen 2 valve cover breather took a vacation and it blew out almost a quart of oil. I have an oil vented oil catch can that has remained empty for 5k miles. Hoses are clean, no...

Hey all, having some issues at idle. I’m attaching a log for reference at idle. Year/Make/Model: 2007 Mazdaspeed 3 Mileage: 122,xxx Location: Jacksonville, Florida Concern: At idle, intermittently the car will lean out, AFR goes wonky and the STFT will go wonky up to 24.8. While driving it...

So, I’ve recently upgraded my Speed3 with the BNRs4, along with JMF manifold, CNT exhaust manifold, DM 3.5” intake, FMIC, has a Tial BOV, and the rest of the supporting modifications. Turbo has less than 1500 miles. Compression test and cylinder leak test were performed approx 2 weeks ago...

Hey guys so here’s the deal, something’s going on with the speed, but I’m not sure what it is. I’m getting an intermittent vacuum leak, that causes a lean status. While driving, there’s no issues. It only occurs are idle or when stopped. I will add that when the AC compressor turns on, it also...