Bests & Worsts Reviews from Amazon

I purchased this in March anticipating needing it for putting my car back together. I installed it a couple weeks ago when I got to that portion of building the car. It was faulty out of the box. I suspect the sensor is the issue. I messaged AEM and the rep was SURE it was the gauge/controller so he warrantied it out. I received the warrantied item last night and lo behold, the setup is still faulty. Still looks like the sensor but the rep insists on shirking away from any conversation related to the sensor. Being I bought this in anticipation of needing it later, I missed the Amazon return window. AEM is unwilling to to send a replacement sensor because even if it is faulty out of the box, they do not warranty wear items... again, even out of the box. A replacement sensor is upwards of 100 dollars. I feel pretty victimized by this whole process and I've wasted two very valuable weeks dealing with a customer service that is unwilling address the real issue. **update** after much effort, they finally agreed to warranty the entire kit. I'm leaving this as a one star review being it was out of box failure, I wasted close to 3 crucial weeks and I really had to fight for AEM to do the right thing. I'm likely going to miss the biggest event of my season being I wasnt able to get the car tuned in time.