LowOil Pressure. Failing Ignition Coils. Water Pump Leaks Coolant. Carbon Buildup. Rough Idle Due To the EGR Valve Not Closing. Which Models Have The Mazda Its all about the engine. An bold claim, perhaps, for a family SUV with no pretensions at hot hatchery, but our new Mazda CX-30 is fitted with Mazda’s shiny new SkyActiv-X petrol, a very SkyactivDI engine reliability. Came across this article while researching about Direct Injection technology. I know Lexus uses combination of DI and multi-port injection to avoid carbon deposits so then its not true DI. Honda introduced DI in their Earth Dreams engine and Hyundai did so in its Theta engine but I am not sure how they Mazda2.0 SkyActiv-G Engine Problems & Best Reliability. Mazda 2.0 Skyactiv-G Engine Specs, Oil Change, Review & History. Mazda’s 2.0 Skyactiv-G engine runs on Asan engineering example the SkyActiv-X engine is a marvel. On one traffic-free journey during the week, going no higher than 63mph or so, I managed an indicated 64mpg over 35 miles. That’s 1 Is Mazda Skyactiv-G 2.0 Engine Reliable? Of course, yes. It doesn’t matter how extensive you use the Mazda Skyactiv 2.0 engine, the vehicle provides solid The2012 Mazda 3 with Skyactiv-G has a compression ratio of 12:1 because the 4-2-1 exhaust manifold doesn't fit in the engine bay. Sources say the next Mazda 3 should have the fancy exhaust setup SkyActivengine is a phrase from Mazda that denotes their direct injected, high-compression motors. This is a technology similar to how diesel engines run, in that it is direct injected and one of the many reasons the SkyActiv engine is able to get such high gas mileage. Your average fuel injected motor runs 10.0:1 compression and fuel FhHzO7.