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Hello, i had a 08 mazdaspeed 3 before but was not modded one bit, had to get rid of it. Settled for a CX-5, just to sell it and get another 07 Speed3 however this one was modded. Dumb of me to not actually take it on a long test drive because the next day on a cold start p0302 came up. I changed...

Hello, completely new to this. I have an 07 Mazdaspeed3. Stock turbo, Cobb sf intake, Cobb turbo inlet hose, corksport hpfp internals, turbo smart bov,cpe catless down pipe, egr delete and 2nd cat delete. I’m just wondering what AFR, LTFT, and STFT should be. I bought the vehicle this way so I’m...