Using A Vacuum Gauge, To Test The Condition Of Your Engine by Mid Ohio Mobile Mechanic So, have you ever thought about using a vacuum gauge, to check the condition of your engine. Consequently, this is similar to doing a cylinder leak down test, but in a much easier way. Vacuum […] Please follow and like us: Post navigation Unseen Woes: 5 Hidden Damages to Look for After an AccidentExploring the Benefits of Ceramic Coating for Cars, Trucks, and SUVs