mazda3

Ok so I’m having a p0300 code on my 2008 Mazda 3 -after market exhaust, air intake, and tuning -rough idle and cold start -replaced cover head gasket, spark plugs, 1st fuel injector, MAF Sensor -At first it was a misfire for cylinder 2 then while working on the injectors (I swapped them...

Year/Make/Model: 2008 Mazdaspeed3 Mileage: 160K chassis / <1K motor Location: AZ Concern: Radiator fan not turning on most times. DTC's: None Modifications: BNR S3v4, catless downpipe, CS internals, 3in intake, FMIC, etc ECU/Tuning Software: Accessport V3 Tuner: DramaTuned Is the concern...

Hello all, Doing a stock rebuild on a B2300. My service manual is missing the entire section on the lower end. My specific question here is: for a completely stock rebuild, can the main bearing cap bolts and con rod bolts be reused or are they TTY? If they cannot be reused, where can I find...