How to Connect a Vacuum Gauge?

Answer Vacuum itself doesn't have anything to do with fuel economy, but it does give a strong indication of how much fuel the engine is using. Vacuum, or boost gauges measure the negative pounds per squar... Read More »

Top Q&A For: How to Connect a Vacuum Gauge

How to Connect the Vacuum Gauge in a Subaru?

Vacuum gauges are useful meters which display the amount of vacuum being pulled by the engine. Vacuum gauges are helpful in determining the amount of fuel being used at different throttle positions... Read More »

How to Fit a Vacuum Gauge?

Save money and make your car run more efficiently--monitor the vacuum pressure when tuning your car's engine by fitting a vacuum gauge in the engine compartment. If the vehicle is not getting the r... Read More »

How to Read a Vacuum Gauge?

A vacuum gauge is a device that measures the amount of air pressure in a vehicle's engine. Air pressure in a properly functioning idle engine should be lower than the outside air because the moveme... Read More »

How to Use a Roadmaster Vacuum Gauge?

The Roadmaster pressure reducer or vacuum gauge is a device that uses pressurized air to brake a towed vehicle. The device is an accessory for the Brakemaster supplemental braking system or other v... Read More »