I'll give it another day or two. It's a very frustrating situation, but.......let's see what you can come up with
Let me lay it out as completely as I can. I bought the car October 2012. Its a 2001 Nissan Cefiro Excimo, 2 litre 6 cylinder automatic. I hear that the Maxima shares that engine. From the beginning, it was sluggish, although it wasn't noticeable EXCEPT when trying to climb a steep hill, such as the one I live on. In February it started to throttle roughly and I started smelling gas. My mechanic figured the injectors were bad, so we changed those for a set of used ones which he thought were good. The rough running settled down, but the lack of power persisted. I changed the 6 coils and plugs with new, genuine Nissan ones, but that has had little or no effect. I'm close to getting rid of it out of frustration, even though there is a lot to like with it.