This return fuel volume tester is for use on the injector return side of a common rail diesel system. Very easy to use – simply take off the return pipe connectors on the injectors and substitute with the fuel lines from this test kit.

• Measure return fuel flow on common rail injectors
• Identify worn / blocked / inoperative injectors quickly
• For diesel vehicles up to 6 cylinders
• Adaptors for Bosch | Siemens | Denso | Delphi