This unit describes the skills and knowledge required to diagnose and repair faults in the liquefied natural gas (LNG) fuel systems of vehicles or machinery. It involves preparing for the task, sourcing the diagnostic testing strategy, carrying out the diagnosis and the repair, performing post-repair testing, and completing workplace processes and documentation.

The unit applies to those working in the automotive service and repair industry. The unit applies to LNG fuel systems in agricultural machinery, forklifts, heavy commercial vehicles, light vehicles or mobile plant machinery.

Licensing, legislative, regulatory or certification requirements may apply to this unit in some jurisdictions. Users are advised to check with the relevant regulatory authority.