TM 5-3805-262-203-31. FUEL SYSTEM TROUBLESHOOTING (CONT) MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION1. LOW FUEL PRESSURE (Cont).Step 10. (Cont).a. If VTM display indicates 3.2 to 9 psi, troubleshooting is com-plete; problem was clogged fuel suction tube. Disconnect trans-ducer cable W4 fromducer, adapter, andReinstall elbow andinjection pump feedb. If VTM display doeslow.pressure transducer. Remove pressure trans -street elbow from electric fuel pump port.fuel supply hose between elbow and fuelpump .not indicate 3.2 to 9 psi, go to step 11 be-Step 11. Service electric fuel pump (page 4-14).Dial 49 into TEST SELECT.Press and hold TEST until CAL appears on display then release TEST.Wait for offset value to appear on display. Offset value should bebetween -4 to +4. If it is not, STE/ICE is defective (refer to TM9-4910-571-12&P).Press and release TEST.Turn ignition key switch to on position.VTM display should indicate 3.2 to 9 psi.Turn ignition key switch to off position.a .b .If VTM display indicates 3.2 to 9 psi, troubleshooting is com-plete; problem was clogged filter in electric fuel pump.Disconnect transducer cable W4 from pressure transducer. Removepressure transducer, adapter, and street elbow from electricfuel pump port. Reinstall elbow and fuel supply hose between el-bow and fuel injection pump feed pump.If VTM display does not indicate 3.2 to 9 psi, replace electricfuel pump (page 4-16).3-255
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