The fuel tank pressure sensor is part of the fuel pump assembly and is mounted on top of the tank or inside the tank. It’s part of the evaporative emissions system (commonly referred to as ...

Fuel Tank Pressure Sensor. The fuel tank pressure sensor measures positive and negative pressure in the fuel tank. During EVAP monitoring, the PCM uses this pressure to detect vapor leakages in the ...

Overfilling your GM vehicle fuel tank could result in several engine performance issues and fuel system issues, ... P0451 (Fuel Tank Pressure Sensor Performance). To note, ...

When it happens, the fuel could block the recirculation line and result in fuel tank pressure sensor reading issues. An expensive intervention is needed to clean the lines before the fueling ...