DPTOOL Vacuum Gauge Tester Multifunction Fuel Pump Catalytic Converter Muffler Carburetor Exhaust Back Pressure Tester Digital Display Gauge with Adapters and Hose

Exhaust Back Pressure Test This gauge easy to to test pre and post catalytic converter back pressures check exhaust for clearance issues helps identify restricted exhaust and melted cat converters no guessing about plugged exhaustRemoved O2 sensor and screw gauge and adapter into sensor hole Started truck accelerate the engine to 2500rmin if gauge read less than138 Kpa pressure showing no blockageif greater than 138 Kpa means have blockage Check Fuel Pump Pressure This vacuum gauge could checking fuel pump delivery pressure only mechanical fuel pump systems not to be used to check fuel pressure on electric fuel pump systems verify fuel mixture settings were correct found the vacuum leaks tuned the carb got a good idle speed Check Manifold Vacuum Use this vacuum gauge measure the manifold vacuum pressure helped you troubleshoot the system and find the failed component Start the engine and warm up the engine temperature to between 7585 degrees turn off the engine connect vacuum gauge Started let the engine run in idling conditions and ensure the speed is around 850rmin if guage read less than 53Kpa indicates that the system has a leak Digital Display Gauge Our vacuum gauge is digital display the unit is Kpa and mbar you can switch between two units digital dial will more direct and accurate show pressure than needle and rubber cover protect in sueface this tool not come with battery Complete Kit This kit have 7pc different brass cone and 4pc different plastic cone and 2pc different adapters so you can connect different part make this vacuum gauge multifunction the hose 48 inches all the tools put in a plastic case easy to storage