| Task | Importance |
|---|---|
| Inspect vehicles or other equipment for evidence of abuse, damage, or mechanical malfunction. | 89% |
| Identify modifications to engines, fuel systems, emissions control equipment, or other vehicle systems to determine the impact of modifications on inspection procedures or conclusions. | 85% |
| Conduct remote inspections of motor vehicles, using handheld controllers and remotely directed vehicle inspection devices. | 84% |
| Prepare reports on investigations or inspections and actions taken. | 82% |
| Inspect vehicles or equipment to ensure compliance with rules, standards, or regulations. | 81% |
| Inspect repairs to transportation vehicles or equipment to ensure that repair work was performed properly. | 81% |
| Issue notices and recommend corrective actions when infractions or problems are found. | 79% |
| Conduct visual inspections of emission control equipment and smoke emitted from gasoline or diesel vehicles. | 73% |
| Conduct vehicle or transportation equipment tests, using diagnostic equipment. | 72% |
| Investigate incidents or violations, such as delays, accidents, and equipment failures. | 71% |
| Review commercial vehicle logs, shipping papers, or driver and equipment records to detect any problems or to ensure compliance with regulations. | 70% |
| Attach onboard diagnostics (OBD) scanner cables to vehicles to conduct emissions inspections. | 68% |
| Investigate complaints regarding safety violations. | 68% |
| Examine carrier operating rules, employee qualification guidelines, or carrier training and testing programs for compliance with regulations or safety standards. | 67% |