ARMY TM 9-2815-259-24 AIR FORCE TO 38G1-125-2 MARINE CORPS 09249A/09246A-24 4-9 TABLE 4-1.  DIRECT SUPPORT TROUBLESHOOTING (Sheet 8 of 12) Not OK OK   OK   Not OK   EXCESSIVE FUEL CONSUMPTION Replace turbocharger (refer to paragraph 4.4.1). Replace engine. OK Not OK   Not OK   OK   Not OK   OK   OK   Not OK   OK   Not OK   Not OK   OK   Excessive fuel consumption. Check for dirty, defective, or leaking fuel injection nozzles (refer to paragraph 3.12.6). Clean, repair, or replace fuel injection nozzles (refer to paragraph 4.6.2). Perform end item troubleshooting procedures (refer to TM 9-6115-671-14 or other applicable TM). Test fuel injection pump timing (refer to paragraph 5.3.1). Time fuel injection pump (refer to paragraph 5.3.1). Check for defective fuel injection pump (refer to paragraph 5.3.1). Replace fuel injection pump (refer to paragraph 5.3.1). Check for defective turbocharger (refer to paragraph 4.4.1). Check for improperly adjusted valves (refer to paragraph 4.7.2). Adjust valves (refer to paragraph 4.7.2). Check for low engine compression (refer to paragraph 3.7.1). Notify next higher level of maintenance. Did oil pressure increase? Check for worn or stuck valves (refer to paragraph 4.7.4). Notify next higher level of maintenance. Repair/Replace valve seats/valves (refer to paragraph 4.7.4).