Diagnose drivability problems caused by poor fuel pressure. Accurately measures fuel pressure Adapters fit majority of domestic and import applications 40in. gauge hose for ease of reaching any test point 2 1/2in. gauge with 0–100 PSI, 0–700 kPa scales for accurate measurements Pressure relief button and 6ft. hose for safely disposing of gasoline and repeating tests without disconnecting gauge Gauge boot to protect gauge and vehicle finish