25 Oct 2026
The voice of the independent garage sector

Petrol and diesel diagnostics

rong>Two new compression tester sets for petrol and diesel engines are out now, to eliminate the inaccuracy and hassle involved when using simple gauge-type compression testers.

/>The test gauge shows an image of the compression value which is etched onto a test card that can be shown to the customer. This allows a quick comparison and removes the need for guess w

/>Each card can display the results for up to 12 cylinders, so is also suitable for use on H

/>An internal valve promotes accuracy as the volume of the cylinder does not change when connected