Lang Standard Vacuum and Fuel Pump Tester The 2 1/4” compound gauge has a multicolor dual scale dial with ranges from 0-10 PSI / 0-0.7 kg/cm2 pressure; and 0-30 inHg / 0-1.0 bar vacuum Complete with hose, fittings, instructions, and specifications.

The Lang Standard Vacuum and Fuel Pump Tester assists in diagnosing a variety of problems on domestic and imported vehicles:

• Fuel pump pressure
• Leaky, burnt, or sticky valves
• Leaky intake manifold
• Restricted exhaust systems
• Turbo pressures
• Worn piston rings
• Incorrect timing
• Heating and air conditioning controls
• Wind shield wipers
• Power brakes
• Emission control devices