I don't remember it ever being a ongoing problem, that it is a consideration on a new car. The LFX is a great engine. 2012-2015 Camaro, 2012-Current Impala, Equinox, Buick Lacrosse, and others use it. It is a far cry from a BMW engine. Car is driven lightly and only has 60000 miles on it. I have driven the 3.6 with and without DI in the CTS, but that was before the LFX upgrade. The GM 3.6 LFX V6 engine fixed the timing chain issues in models 2014 on. A quick check of the web turns up that many who own this engine are experiencing troubles all the way up to the engine fragging. However, my CEL did come on for about 15 seconds and then went away a few days ago. I just got a “Customer Satisfaction Program” letter from GM stating that GM’s 3.6 liter V6 (the engine used in the Camaro, Saturn Outlook, LaCrosse, Cadillac CTS, and several other cars) is showing premature wear of the timing chain. I thought the problem with the engine was above 4,000 rpm it sounded harsh, thrashing and wheezy almost. The early Lambdas had problems with … ... " LLT DI engine as used in the VE "commie" and I thought the guides for the timing chains where changed in the "new" LFX engine . So far, no real issues. Part of GM’s High Feature V6 VVT engine family, the LLT was among the first within the automaker to acquire direct injection. The story was if you had a 2010 or newer 3.6, this problem was solved. When my check engine light came on, I was not expecting to hear the chains were the issue, but that was the phone call I received from my dealer. I had a 2007 3.6 CTS for 65,000 miles and had no chain problem, nor did anyone ever say to worry about it. The engine now has 64,000 miles on it and is running very well. The early ones were bad, but I also think some people would run cheap oil or non Synthetic oil and kill the timing chain prematurely. I’m pretty sure my oil pressure just got too high because I gunned it to pass somebody and I had already driven a few hundred miles on my way to the beach. The 3.6 had many revisions over the years, so you would think the chain issue would have been addressed. As promising as the LFX looks on paper, the engine is so new that aftermarket development work for it is still in its infancy. Some of these engines are know to have some pretty high oil use, which GM claims is normal, but the oil loss can be from many different things. The Chevy 3.6L engine V6 LLT is an engine produced by General Motors for use in a wide variety of mid- and full-size vehicles. I’m at 42k miles with my LFX and I bought it at 36k. The worst complaints are car shudders, engine failure, and engine light blinking. My 17 Impala with the 3.6 V6 had been awesome. G asoline Direct Injection or GDI has seen rapid adoption by the automotive industry over the last several years in lieu of multipoint fuel injection systems due to advantages in fuel efficiency and reduced emission levels. Got a Check Engine Light while driving and was diagnosed as stretched timing chain requiring replacement. If your engine has a lot of oil being drawn out of the PCV system and into the intake, then the problem will be more pronounced. As such, we'll keep the focus on the '10-'11 LLT V … It was like the engine was resisting higher revs and made a lot of unpleasant sounds so you would slow back down. Other than that, no problems. For 2016 it's a new 3.6 engine. 2012 Chevrolet Camaro engine problems with 38 complaints from Camaro owners. Known problem with LLT engine in V6 Camaros, timing chain stretch.