Question A leaking exhaust system can: Answers Cause excessive oil use. Require your vehicle to have a tune-up sooner than normal. Make you drowsy while driving. Set grass fires on country roads. Explanation The exhaust system helps remove toxic gases, reduce the noise, and cool the hot gases coming from a running engine. Fumes from a leaky exhaust system can cause death in a very short time. They can also make you drowsy while driving. Pass your DMV Written Test with flying colors Take me to the cheat sheet Montana This questions appears in the following tests: Michigan Practice Test 39 Montana Practice Test 17 Colorado Practice Test 18 Florida Practice Test 11 Hawaii Practice Test 4 Idaho Practice Test 28 Indiana Practice Test 19 Iowa Practice Test 11 Louisiana Practice Test 12 Maine Practice Test 56 Massachusetts Practice Test 7 Minnesota Practice Test 18 Missouri Practice Test 10 Nevada Practice Test 34 Nevada Practice Test 20 New Hampshire Practice Test 35 New Jersey Practice Test 34 New Mexico Practice Test 2 North Carolina Practice Test 17 North Dakota Practice Test 1 Oregon Practice Test 21 Texas Practice Test 1 Utah Practice Test 18 Virginia Practice Test 31 Washington Practice Test 7 West Virginia Practice Test 25 Wisconsin Practice Test 32