Gunson Vacuum / Pressure Tester Engine Fault / Petrol Pump Lo-Gauge LSR5

Very useful Vacuum Gauge, suitable for all petrol engines.

Easy to fit to most vehicles and accurately measures pressures within the range 1 bar (30mHg) to +0.7 bar (10psi).

Complete with 7mm hose and plastic adapters to aid fitment to most engines.

Suitable for the Following Applications:

Engine fault finding. As an inlet manifold vacuum tester the following faults can be diagnosed: Spark misfires, poor engine compression, too weak or too rich mixture, ignition too advanced or too retarded, inlet manifold and carburettor leaks and incorrect valve timing.
Turbo boost gauge. Can test boost pressure up to 0.7bar (10psi).
Petrol Pump Tester. Tests electrical and mechanical pumps (excluding high pressure pumps used on fuel injection engines).