Honda’s Earth Dreams technology is a new generation of fuel-efficient engines that are supposed to have improvements in thermal efficiency. I have the k20c2 and my parents have the NA 2.4 crv from 2016 and both also have this earth dreams on it. The usual reason for carbon buildup is two fold: the aforementioned changes in engine design and owner’s driving style. A lack of engine heat has been blamed on oil dilution and HVAC problems. Honda 2.4 K24 Engine Problems and Reliability. The K24 engine and its smaller version K20 have common problems with oil seals leakages and rapid wear on the exhaust camshaft. The K24W Earth Dreams series doesn't have a port injection in combination with direct injection. Honda 3.5 J35 Engine Problems and Reliability. A Honda "Earth Dreams" engine lawsuit alleges 2015-2018 Honda CR-Vs and 2016-2018 Honda Civics have 1.5-liter, 2-liter and 2.4-liter direct injection engines that are defective. The Earth Dreams technology isn’t all that new anymore, but we have mentioned it a couple times while talking about the 2016 Honda Pilot’s engine. The Subaru FA20DIT engines are getting buildup at around 15K miles that needs to be blasted. For it, Honda has newly adopted a three-stage VTEC, which not only deactivates three cylinders on one bank of the V6, but also switches between low- and high-revolution valve timing. Honda’s Earth Dreams technology is part of a direct-injection engine which pumps fuel directly into the chamber under high pressure. Sprayed fuel sticks to the cylinder walls and eventually travels down into the crankcase where it mixes with the engine oil in the oil pan. These engines are great for performance and fuel efficiency, but have been more susceptible to oil dilution. So, I'd call having to "maintain" carbon buildup at $500-$700 a treatment a "big deal". Engines have turned into carbon cokers and oil burners, and that’s our new normal when shopping for a new ride: Honda’s Earth Dreams are no different? I think all current honda engines minus the type r has the earth dreams stamped on it. Honda Earth Dreams Engine Issues. Switch topics. These engines have been known to fail early on, usually due to a larger situation: Honda Earth Dreams engine problems. The J35 V6 engine series equipped with a VCM system can unpleasantly surprise owners with an oil leak. Honda CR V 1.5 turbo engine problems and diagnosis are an ongoing topic of discussion. What is Honda’s Earth Dreams Technology and What Does It Do. We'll have to see if the new 1.5T, like every other DI engines, needs walnut blasting on a regular basis. The Honda Earth Dreams Nightmare. After contacting Honda, the plaintiff says Honda admits a problem exists but they don’t have a solution to the problem. Not all of them. He is also claiming that Honda hid the fact that the Earth Dreams engines are susceptible to defects that causes fuel to enter the engine oil which damages the bearings and engines permanently. In reality, these engines have been a nightmare. The 2015 to 2018 Honda CR-V models all have Earth Dreams engines, as do 2016 to 2018 Civics. Maybe they took it a little too far? Only the 1.5T from the civics and crv. This VCM unit is located near an oil dipstick hole and above an alternator. If so, that takes away the "value" of owning a Civic. The detail information you can find on this page. The engine improves on both low- and mid-speed torque as well as output, and enables both strong and smooth acceleration together with excellent cruising fuel economy.