ARMY TM 9-2815-254-24 AIR FORCE TO 38G1-94-2 SECTION   II.   TROUBLESHOOTlNG 3-2. TROUBLESHOOTING   PROCEDURES. 3-2.1. Purpose of Troubleshooting Table. This section contains troubleshooting information for locating and Correcting operating  troubles  which  may  develop  in  the  engine.  Each  malfunction  for  an  individual  component  unit  or  system is followed by a list of tests or inspections which will help you to determine probable causes and corrective action to take. You should perform tests/inspections and corrective actions in order listed. This table cannot list all malfunctions that may occur, nor all tests or inspections and corrective actions. If a mal- function is not listed or cannot be corrected by listed corrective actions. notify your supervisor. NOTE Before you use this table, be sure you have performed your PMCS. Prior  to  performing  troubleshooting  procedures  within  this  manual,  per- form  your  operator’s  troubleshooting  and  the  end  item  maintenance manual troubleshooting procedures. SYMPTOM   INDEX Malfunction Engine Will Not Crank Starter Operates But Engine Does Not Turn Over Engine Cranks But Fails To Start Engine Hard To Start or WiII Not Start In Cold Weather Engine Misfires or Runs Irregularly or Stalls  Frequently Engine Does Not Develop Full Power Engine  Overheating Excessive  Oil  Consumption Low Oil Pressure Excessive  Fuel  Consumption Black or Gray Smoke Blue Exhaust Smoke Engine  Knocks Engine Makes Abnormal Noise Engine Makes a Gas Leaking Noise Detonation  or  Pre-Ignition Battery Charge Ammeter Shows No Charge When Batteries Are Low Battery  Charge  Ammeter  Shows  Excessive Charging After Prolonged Period Troubleshooting Procedures Page 3-4 3-4 3-4 3-5 3-5 3-6 3-6 3-6 3-7 3-7 3-8 3-8 3-9 3-9 3-10 3-10 3-10 3-11 Change   1   3-3