Duramax P0087 Fuel Pressure Code
So we see this in the shop weekly and also online all the time. Driving down the road or starting the truck up and pops with a P0087 code. We'll walk you through a quick tutorial on what it means, its likely causes, and fixes for that issue. The P0087 code is a fuel pressure code signaling the pressure is below spec. The sensor is located on the fuel rail, and this is what triggers the code to be thrown.