EXIT Clean Diesel Truck Training Test Test English Español Oromoo Soomaali Русский ਪੰਜਾਬੀ አማርኛ Question Title * 1. Clean diesel truck exhaust leaks: Are never visible Are always black Can be black or other colors OK Question Title * 2. If you are waiting in line at the port and your truck is not moving, you should: Turn off your engine after 3 minutes. Never turn off your engine because it will wear out your engine. Wait 15 minutes before turning off your engine. OK Question Title * 3. Which engine parts does the DPF impact? (select all that apply) Engine Gas Recirculation (EGR) Turbocharger Throttle DEF tank OK Question Title * 4. The ___________ requires hot temperatures. DPF system DEF system OK Question Title * 5. If you ignore warning lights on your dashboard: You will need to refuel in the next hour A small problem can turn into a big problem Nothing will happen - the lights will eventually turn off OK Question Title * 6. What are the three major maintenance issues with DPFs? (select three) Running out of DEF fluid Fluid (oil and coolant) leaks Exhaust leaks DPF cleaning Over fueling OK Question Title * 7. What can happen if the DPF gets clogged? The DEF Light may turn on The engine can shut down You might get a flat tire OK Question Title * 8. If your DPF Light is blinking, you need to: Drive hard to start an Active Regen or start a Parked Regen in 1-2 hours Start a Parked Regen immediately Fill your DEF tank with DEF fluid OK Question Title * 9. If your truck is using more oil than usual, you should: Just add more oil Drive on the highway without stopping for 20 minutes Look for leaks and get them fixed OK Question Title * 10. How often should you check your fluids? Twice a day (before and after your work day) Once a day Weekly OK Question Title * 11. A DPF should be manually cleaned by a qualified mechanic: Only when engine problems start Every two years At least once a year OK Question Title * 12. What do you need to do for a Parked Regen? Set your emergency brake Park in a safe area away from anything that could melt or burn Turn on the Parked Regen switch All of the above OK Question Title * 13. When you are having your DPF cleaned or replaced, you should ask the dealer to: Inspect the DOC Inspect the SCR cylinder Fill out a DPF cleaning history sheet Inspect the DEF injector All of the above OK Question Title * 14. Mixing different oils in your truck will not harm your engine as long as they are high-quality oils. True False OK Question Title * 15. The DPF is often the first engine part to show a problem even if the cause of the problem is somewhere else in the engine. True False OK Question Title * 16. The ___________ tank should be at least ¼ full. DEF system DPF system OK Question Title * 17. A mechanic should always do a Parked Regen after installing a clean or new DPF. True False OK Question Title * 18. Some exhaust leaks can be identified by listening for them while the engine is running. True False OK Question Title * 19. What can you do to help your truck start an Active Regen? Drive on the highway several times a day Park your truck but accelerate the engine Drive on the highway at least 50 miles per hour for 20 minutes without stopping OK Question Title * 20. The ___________ must be manually cleaned to remove ash. DEF system DPF system OK DONE