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A. Always depressurise the system before fitting caps, tighten them carefully and follow the tester instructions to re‑pressurise.
A. It is a set of caps that, used with the Universal Digital Pressure Tester, closes common rail injector inlets to diagnose leaking injectors.
A. When combined with the pressure tester, the caps allow individual injector inlets to be blocked so pressure changes reveal which injector leaks.
A. It can be used on three-, four-, five- and six-cylinder engines with compatible common rail fuel systems.
A. The set includes six M12 x 1.50 plugs and six M14 x 1.50 plugs, covering common rail rail-inlet thread sizes.
A. It lets technicians pinpoint leaking injectors quickly without removal, supporting accurate diesel diagnostics and reducing guesswork.
A. It is listed under electrical repairs and diesel diagnostic tools, associated with the universal digital pressure tester.
A. Always depressurise the system before fitting caps, tighten them carefully and follow the tester instructions to re‑pressurise.
A. Keep it in a dedicated compartment within the pressure tester kit case, clearly labelled by plug size.
A. Correct threads ensure secure sealing and prevent damage to the rail’s internal threads or leaks under test pressure.
A. Terms like “common rail injector leak tester caps”, “M12 M14 common rail cap set” and “Sykes Pickavant 33100400 kit” are highly relevant."
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