Well this is weird. So it was working fine but then I switched ots tunes, the fuel trims are still settled at idle but AFR is hanging around 13-15...
UPDATE: So I've been running a "high flow" open filter from Amazon on my Cobb Sri this whole time. I decided today to try putting the old original...
2008 Mazdaspeed 3 240k km or roughly 150k miles DTC's: P2187, P2006, P2009, P0401 Modifications: COBB SRI, COBB TIP, CPE HPFP, EGR DELETE, VTCS...
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