TM 10-3930-669-20 4.  EXCESSIVE ENGINE OIL CONSUMPTION (CONT). KNOWN INFO TEST OPTIONS Engine operates. Valve cover gasket(s) OK. Visual inspection. POSSIBLE PROBLEMS REASON FOR QUESTION Engine oil hose(s) faulty. Engine oil sensor(s) faulty. Engine oil cooler faulty. If oil hoses are leaking, oil will be consumed excessively. ¬ 2-68