| My car was a bit overdue for an oil change and I had developed a ticking noise from the engine bay. I picked up some synthetic 10W-30 and took it in to Nissan. All was well after the change and I drove it home without issue. This morning, I start it up and warm up for a minute or two, then take off. As soon as I took off, I noticed the car was hesitant and running rough. Almost like it was only hitting 4-5 cylinders. At the stop light, I could see blue smoke coming out of the exhaust. I pulled over and could smell what was like a burnt plastic like scent. I did some searching and I've discovered it could be: Worn rings, seals, turbo seals... I also read that it might be stuck/clogged PCVs. Thoughts?
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