About this item Widely Use: Fuel pressure tester kit suits a variety of gasoline engines on car, truck, SUV, Motorcycle, ATV, RV, etc (Bosch, CIS Jetronic, Throttle Body System on GM vehicles excluded). Note: not for diesel high pressure injection pump or direct-injection engine Long-lasting Quality: Adapters in fuel pressure tester constructed from high-quality brass and aluminum resist rust and corrosion, rugged and long-lasting Accurate Reading: with a dual-color coded scale for readings range between 0-100psi (0-7bar), easy to read and provide you more precise and accurate readings. It's crucial to note the absence of a pressure relief valve and drain hose. Safely relieve pressure by encasing the hose connection in a cloth before detaching Function: This fuel pressure gauge is adept at swiftly and efficiently assessing fuel injection pump pressure. It can diagnose variability problems caused by poor fuel pressure. Used to check if fuel pump is defective or inconsistent in pressure flow Convenient Storage: Nilight fuel injection pressure tester is contained in a carrying case, design for quick storage and easy transportation. A must-have efficient tool set for the task of vehicles maintenance Product Description