ENGINE/DRIVABILITY ** Feels great, AFR looks good, but boost (18 PSI+) seems to be climbing higher than I feel comfortable with. Up to 23 PSI!...
ENGINE/DRIVABILITY Year/Make/Model: 2007 Mazdaspeed 3 Mileage: 207,000 miles Location/Alitutude: Missouri Ozarks Concern: Engine will not idle, or...
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