vacuum gauge

Your car or truck relies on engine vacuum for a lot of applications, on things ranging from HVAC doors and pop-up headlights to critical vehicle systems like your power brakes […]

Intake manifold vacuum is a key indicator of engine performance. By measuring vacuum under different engine loads and conditions, you can track down problems within your engine and make the […]

A vacuum gauge is an invaluable resource for tracking down engine issues. The key is understanding what your gauge is trying to tell you. We’ve put together this quick-guide to […]

There are a handful of telltale signs your catalytic converter is on the fritz. Poor acceleration when stepping on the gas pedal Noticeably less fuel efficiency Dark, sooty smoke exiting […]