Actron CP7838 Professional Fuel Pressure Tester This Fuel Pressure Tester is designed for fuel injected systems Measures the available fuel pressure with engine running on or off Features 6-ft hose to aid reaching any test point Handy pouch for storing gauge and adapters and features adaptors to fit most domestic and import applications 2" gauge with 0-100 psi/0-700 kPa scales for accurate measurements