speed3

Year/Make/Model: 2009 mazda mazdaspeed3 Mileage: 123800 Location: Norco, CA Concern: Car is running fine but throwing a CEL for a cylinder 3 misfire DTC's: P0303 Modifications: none ECU/Tuning Software: none Tuner: none Is the concern intermittent? No Can you duplicate the concern? Yes (CEL is...

Hi all! Trying to dig up some info on swapping the speed 3 engine into a speed 6. I have a speed3 ATM but the body is all beat and it's salvage, I have an opportunity to pick up a clean title speed 6 that has some motor issues. My speed3 engine is healthy and still got lots of life left in it...

As I am starting to rebuild my Speed3 I decided I would start a thread to document my progress and collect input from the experts along the way. In December of 22 I spun a rod and parked it for a few months until my garage was prepped and ready to support a build. Over the last two weeks I've...

I've had my Speed 3 for about 4 years now and it has 155k on it. In the last 8 months it has started having engine problems. To my knowledge, it's mostly stock. It has a Cobb cold air intake, and a cat back exhaust. July of 2021 I replaced the K04 cartridge with a re-manned one and did the VVT...

Hi, I bought my 2009 mazdaspeed3 about 8 weeks ago, it ran when I bought it but needed a timing chain job. After doing the timing chain myself with my brother I am now unable to get the car started. After doing some troubleshooting we think we have nailed it down to a fuel issue. We are using...

It rained a couple days ago and I forgot to wrap my intercooler when I went driving. I got home and started it a couple hours later, white smoke pouring from the exhaust. I assumed it was just some water so I changed the oil today and it went away for a second l, then the smoke came right back...

Hello all - Guess this has long been overdue, it feels like every time I think about putting together some sort of cohesive log/diary of my car my thoughts get so out of order and the thought of including every detail has just been overwhelming to be frank as I'm sure is the case for many of us...

So I’ve ran into a problem. I was bleeding slave cylinder and not my clutch pedal bracket broke up from the the clutch pedal. Is there anyways I can get just the bracket that’s holding into the firewall that holds the pedal? Or I have to get the whole assembly? Thank you.

Good evening, everyone! I wanted to formally introduce myself. Long time lurker, first time poster. :D I am sure you have seen me around before. My name is Ryan Muehlenbeck and I represent Virtue Motorsports, an authorized vendor here on MSO. I have had my 2008 Cosmic Blue Mazdaspeed 3 GT for...