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2017 QX80 wont accelerate above 40mph

654 Views 0 Replies 1 Participant Last post by  Adluginb
We recently purchased a 2017 QX80 but now 2 months into it we are having problems. The issue is when you floor the accelerator and once it hits 40mph it starts cutting out and wont go any faster. The RPMs jump between 3000 and 3500 rpm the whole time I keep accelerator pressed. If I slowly ease above 40mph then I dont have the problem. I can accelerate like passing a car and no problems it goes. I just cant accelerate fast starting out from a stop once it hits 40mph. Ive got a video of this but not sure I can upload here.

I cleaned the MAF sensor and throttle body yesterday, both of which looked very clean but it didnt help.

Any ideas or hurt would be appreciated.
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