ABN Carburetor Intake Manifold Vacuum Fuel Pump Pressure Tester Gauge Test KitCategory: Fuel Pump TestDIAGNOSE YOUR VEHICLE: The ABN Car Vacuum and Fuel Pump Tester Gauge Kit – Fuel Pump Pressure & Vacuum, Carburetor Intake Manifold, & Vacuum Test enables testing of the fuel delivery pressure to the engine to check for worn or defective parts in fuel pumps and vacuum systems; Set includes a variety of adapters suitable for most vehicles; Intended for carburetor engines with a mechanical fuel pump operating pressures below 10 PSI (0.7 Bar)4-IN-1 KIT: 4 tests can be performed – Fuel pump pressure, fuel pump vacuum, carburetor intake manifold, and vacuum test; When reading the pressure gauge, occasional needle drop indicates that the carb or tappets need an adjustment plug, missing or stuck valve, or trouble in carburetor; Steady, regular drop indicates that the valve is held open, burnt, or chipped; Wide pressure fluctuation at high speeds indicates a weak valve spring; Steady drop to zero pressure indicates a choked mufflerEASY TO USE: Assembly and operating instruction manual included; Pressure gauge has a 4-inch (10.2cm) diameter with color-coded measurement scales so it is easy to read and a 1.2-inch (3cm) thickness with rubber side notches for easy grip; Extra-long rubber hose and 14mm/18mm manifold adapter; Rubber hose 40 PSI (2.8 Bar) maximum working pressure; Pressure gauge 0-28 IN-Hg (0-70 cm-HG) vacuum and 0-10 PSIG (0-0.7 kg/cm²) pressureEASY STORAGE: Heavy-duty 12.75” x 2.25” x 7.25” inch (32.4cm x 5.7cm x 18.4cm) plastic blow-molded carrying case with handle for easy transportation, safe storage, and quick organizationPACKAGE CONTENTS: Package includes (1) vacuum pressure gauge, (1) 2-foot (61cm) long rubber hose – 13/64-inch ID 23/64-inch OD, (1) brass cone adapter, (1) plastic connector, (1) 1/4”x18 male to 1/8”-27 female brass adapter, (1) 1/8”-27 male to 7/32” barbed brass fitting adapter, (1) 1/8”-27 female to 3/8” male brass adapter, (1) T-type 7/32” barded brass fitting adapter, (1) carrying case, and (1) instruction manual for your convenienceTake out the guesswork in carburetor diagnostics with the ABN Car Vacuum and Fuel Pump Tester Gauge Kit – Fuel Pump Pressure & Vacuum, Carburetor Intake Manifold, & Vacuum Test. This gauge tests fuel pressure on mechanical and electric fuel pumps. It will also diagnose improper timing, burned or stuck valves, leaking manifold, improper fuel mixture, sticking choke, and more. This tester is simple to use, and no pump is needed. The gauge is connected to your vehicle’s carburetor vacuum port and is easy to read so you can diagnose the problem and make adjustments to the carburetor for a better functioning vacuum. This package includes a vacuum pressure gauge, rubber hose, brass adapters, plastic connector, carrying case, and an instruction manual for your convenience.