Question Without the proper amount of oil in its engine: Answers A vehicle will have difficulty stopping. A vehicle will make quick, jerking movements while being driven. The engine may be quickly damaged. Explanation It is essential that a vehicle's engine have adequate oil pressure. An engine can be destroyed rapidly if it is run without oil. Take a FREE Practice Test Now This questions appears in the following tests: Kentucky Knowledge Test Class B , Oklahoma Knowledge Test Class B , Virginia Knowledge Test Class B ,