How do they match: 49-3023.00 - Automotive Service Technicians and Mechanics

Conduct visual inspections of compressed natural gas fuel systems to identify cracks, gouges, abrasions, discoloration, broken fibers, loose brackets, damaged gaskets, or other problems.
Diagnose and replace or repair engine management systems or related sensors for flexible fuel vehicles (FFVs) with ignition timing, fuel rate, alcohol concentration, or air-to-fuel ratio malfunctions.
Follow checklists to ensure all important parts are examined, including belts, hoses, steering systems, spark plugs, brake and fuel systems, wheel bearings, and other potentially troublesome areas.
Plan work procedures, using charts, technical manuals, and experience.
Repair and service air conditioning, heating, engine cooling, and electrical systems.
Retrofit vehicle fuel systems with aftermarket products, such as vapor transfer devices, evaporation control devices, swirlers, lean burn devices, and friction reduction devices, to enhance combustion and fuel efficiency.
Rewire ignition systems, lights, and instrument panels.
Tear down, repair, and rebuild faulty assemblies, such as power systems, steering systems, and linkages.
Test and adjust repaired systems to meet manufacturers' performance specifications.
Test drive vehicles and test components and systems, using equipment such as infrared engine analyzers, compression gauges, and computerized diagnostic devices.
Troubleshoot fuel, ignition, and emissions control systems, using electronic testing equipment.

How do they match: Automotive Service Technicians and Mechanics