The Cylinders Can Be Checked For Leakage As An Alternative To A Compression Test
Using this method, the amount of leakage at the engine cylinders is measured and it is possible to locate the source of any leaks.
A similar check can be performed using a compression gauge by injecting oil in the cylinder. However, this can cause a buildup of carbon deposits
The result will not always be decisive or precise.
In addition, the VIDA station or the Volvo System Tester (VST) must always be connected afterwards to erase any diagnostic trouble codes (DTCs).