TM   10-3930-643-20 PRELIMINARY   PROCEDURES. 3-6. Troubleshooting    Symptom    Index. Component/System FUEL  SYSTEM Engine   will   not   start-warm   weather Engine   will   not   start-cold   weather Excessive   fuel   consumption Engine   misfires/runs   rough   (vibration) Lacks  power Engine    stalls Engine   will   not   shut   off FUEL  STE/ICE  TESTS Test  24   -   Fuel   Supply Test   25   -   Fuel   Return Pressure Pressure EXHAUST  SYSTEM Excessive   black Excessive   white Noisy  exhaust or   gray   smoke or   blue   smoke Loud   whine   or   metallic   scream COOLING  SYSTEM Oil   in   cooling   system Overheating Engine   runs   cold BATTERY Battery   discharging Battery   overheating Battery   low   in   charge BATTERY  STE/ICE  TESTS and   no   alternator   output Test   67   -   Battery   Voltage Test   73   -   Internal   Battery   Resistance Test   75   -   Battery   Resistance   Change Test   80   -   Battery   Current Paragraph/ Malfunction Page 4-3a 4-10 4- 3b 4-10 4-3c 4-10 4-3d 4-11 4-3e 4-12 4 - 3f 4-13 4-3g 4-13 4-4a 4-14 4-4b 4-15 4-5a 4-16 4-5b 4-16 4-5c 4-17 4-5d 4-17 4-6a 4-18 4-6b 4-18 4-6c 4-20 5-1a 5-1b 5-A1c 5-2a 5-2b 5-2c 5-2d 5-3 5-3 5-4 5-5 5-6 5-7 5-8 3-15