TM 10-3930-669-10 Table 3-2.  Operator Troubleshooting Procedures - CONT. MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION ENGINE (CONT) Step 6.  Perform cold start procedure (Para 2-12.  b.). If engine does not start, notify Unit Maintenance. 3. LOW ENGINE OIL PRESSURE. Check oil level (Para 3-6). If oil level is low, add oil (Para 3-6). If oil level is OK, go to step 2, notify Unit maintenance. 4. ENGINE STARTS BUT WILL NOT KEEP RUNNING. WARNING If   NBC   exposure   is   suspected,   all   air   filter   media   should   be   handled   by   personnel   wearing protective  equipment.    Consult  your  unit  NBC  officer  or  NBC  NCO  for  appropriate  handling  or disposal procedures. Inspect air filter for clogging (Para 3-7). If air filter is clogged, replace filter. If air filter is OK, notify Unit Maintenance. 5. ENGINE EXHAUST SMOKES EXCESSIVELY. Inspect air filter for clogging (Para 3-7). If air filter is clogged, replace filter. If air filter is OK, notify unit maintenance. 6. ENGINE OPERATING TEMPERATURE TOO HIGH. Step 1.  Check oil level (Para 3-6). If oil level is low, add oil (Para 3-6). If oil level is OK, go to step 2. 3-5