TM  10-3930-643-34 ENGINE,  FUEL,  EXHAUST  AND  COOLING  TROUBLESHOOTING  AND  MAINTENANCE.  (cont) 4-1. Engine, Fuel, Exhaust and Cooling Troubleshooting. (cont) MALFUNCTION TEST  OR  INSPECTION CORRECTIVE  ACTION d. ENGINE STALLS OR LACKS POWER. (cont) Step 7. Check turbocharger operation. Check boost pressure, refer to paragraph 4-1.j. If repair is necessary, contact General Support. Step 8. Check for leaks at intake and exhaust manifolds. 4-6