TM 5-3805-261-20FUEL SYSTEM TROUBLESHOOTING AND MAINTENANCE PROCEDURES. (cont)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONb.ENGINE MISFIRES OR RUNS ROUGHLY.Step 1. Check for air in fuel system. Refer to paragraph 6-15.Bleed injection lines. Refer to paragraph 6-15.Step 2. Check fuel pressure with fuel pressure gage (Figure 6-27) or use STE/ICE Test 50. Refer to paragraph 6-13.Remove fuel pressure switch from fuel injection pump. Refer to paragraph 7-94.Install fuel pressure gage.Start engine and run at high idle. Pressure should read at least 15 psi. Refer to TM 5-3805-261-10.Figure 6-27.If pressure is low, proceed with steps 3 and 4.6-38
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