The Skyactiv engines have been around for a long time. The turbo has been around for a while. I have a 2008 CX-7 with a turbo (not the same. This one predates the Skyactiv engines.) No problems. I didn't have to take a leap of faith to buy the 3 turbo about a month ago. Obviously I'm able to feel and see the low idle via the Scan Gauge II and 3M polyurethane injected rear mount, which transmits more engine vibrations to the cabin, so I can feel what the engine is doing but if this is the way Mazda designed the Skyactiv engine, then anyone with a 2.0L ( maybe this happens in the 2.5L as well? 573 posts · Joined 2012. #1 · Mar 25, 2013. With the known fact that some other manufacturers' direct injection engines suffer from power/economy robbing deposits on the intake valves, I decided to see if the Skyactiv G 2.0L in our Mazda 3's was also prone to this issue. These deposits form from oil vapors vented into the intake by the PCV With 155 horsepower and 148 lb-ft of torque, the SKYACTIV 2.0L 4-Cylinder puts up decent numbers for its class, but has a few unavoidable idiosyncrasies. Start-up, particularly on a cold morning is loud, with an idle approaching 2000 rpm (as shown above) as the engine heats up. Ostensibly this is done in the name of fuel economy and emissions Thinking of buying a 2012 Mazda 3 with a 2.2d engine. What is your opinion on the reliability of this engine? - For more news, reviews and Top Tens, visit I was a mazda tech and can honestly say I wouldn't buy a mazda diesel. They are constantly coming out with recalls on the diesels to try and fix problems with the engines getting blocked up with carbon because of how much they have to limit whats coming out the exhaust for euro emissions standards, it was a daily occurrence to have a newish diesel recovered in with starting/running issues Suburban Mazda of Farmington Hills, MI, provided the automatic-transmission car. They can be reached at 877-290-8110. Mazda provided the manual-transmission car with insurance and a tank of gas. Michael Karesh operates TrueDelta.com, an online provider of car reliability and real-world fuel economy information. Share. MAZDA3. 31,740 miles. The contact owns a 2012 Mazda 3. while driving at an unspecified speed, the check engine indicator illuminated. The vehicle was taken to jenkins Mazda of ocala (352-815-2425 cvor.