Dragging feeling on FX45

Chedman13

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So I think I got some K&N oil on the MAF sensor. After I put in the LMS intake, my car started to bog e.g. I would go 40 mph, then take the floor off the accelerator and the speed would immediately drop fast, like someone was pulling on the car. But acceleration felt faster.

I removed the intake and put in a K&N rectangle filter and stock box and problem solved. Then a month or two later, it came back. Before it was due to a lean issue with the LMS intake, but what could it be now?

I cleaned the MAF sensor with cleaner. The dealership says "lean code" you need to replace your MAF sensor (this was when I had the LMS intake).

Thoughts? I did the same thing with my QX4, bought a Pop Charger and it was either the MAF sensor was too sensitve or got some K&N oil on it. Buy a new MAF sensor and just stay with stock filters?

If i reset my ECU will that maybe fix it? I have left the battery unplugged for a day and that didn't help. I do have an OBII but it isn't even close to a ciper...
 
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