Question After starting the engine, oil pressure should reach a normal level: Answers Within a few seconds. After about a minute. After about four minutes. Within 10 minutes of driving. Explanation After you start the engine, keep an eye on the gauges. Oil pressure should rise to a normal level within a few seconds of the engine being started. Take a FREE Practice Test Now This questions appears in the following tests: Massachusetts Knowledge Test Class A , West Virginia Knowledge Test Class A , Colorado Knowledge Test Class B , District Of Columbia Knowledge Test Class B , Texas Knowledge Test Class B ,