• Brake and clutch hydraulic system bleeding
• Measurement of vacuum supplied by boosters, reservoirs, solenoids or the engine.
• Engine mechanical testing, such as testing of engine vacuum, testing intake and exhaust valves, testing manifolds and manifold gaskets for leaks, air/fuel mixture, cylinder leakage, turbocharger wastegate, and mechanical and electric vacuum pumps.
• Testing of vacuum-operated components, including transmission modulators, heater and air conditioner doors, cruise control modulators, headlight doors, door locks, actuators.
• Fuel system testing, such as fuel tank testing, filler cap testing, and testing of fuel lines, pumps, and pressure regulators.
• Ignition system testing, such as distributor advance mechanisms, spark delay valve testing, vacuum delay valve testing.
• Emission control system testing, such as EGR valves, PCV valves, ported vacuum switches, thermostatic air cleaners, exhaust heat control or heat riser valves, back pressure transducer valves.

Please read the instructions carefully before use

• Do not drop the tool to make the pressure gauge vibrate, the accuracy of the gauge may be affected.
• Be careful not to place it on the hot manifold or other engine parts.
• Apply a few drops of oil to the connector to help vacuum and improve air tightness
• Do not use petroleum-based lubricants such as WD-40, motor oil, penetrating oil, etc. Do not use cleaners such as carburetor cleaner or brake cleaner spray in the pump mechanism.