I still sometimes get hesitation above 6000 rpm, is anyone else experiencing this. Usually once I redline it a couple of times it goes away.

The car is always warmed up as I am sitting in traffic for the 1st 30 minutes of my commute home but once I get a relatively good opening, I will floor it occasionally, and it seems like under this scenario the car will hesitate.

Can this be attributed to the stop and go traffic causing the engine not to warm up properly? My car is like a tale of 3, engines sometimes I get a noticeable boost in the higher rpms, sometimes it lags and sometimes it 's just constant power all the way to redline. I never know what I will get.

I really don't think I have a problem it's just this engine is very temprimental to different driving situations and habits, for the most part it's great. The more it revs the better It will perform, unfortunatly most of my driving is in traffic stuck behind suv's. I just need some assurance that this is the nature of the engine and that I don't have a serious issue.

 

I have the same problem, when I dynoed the car it was super rich above 6000 rpm

at 7500 rpm it was at 11
8000 rpm it was at 10.5
8500-9000 it was at 11

On the previous run it dropped below 10 at one point

 

I have the same stop-and-go situation but no hesitation. From other threads, many cars are plagued with this, most are not. I heard nothing about a solution nor acknowledgement from Mazda about it.

 

i'm going to have to venture up to the 6000 RPM range and see what happens when i do i usually have to slow down because of a red light or traffic. NJ sucks it is so congested.