CHART -2 - ENGINE CRANKS BUT WILL NOT START

THE ELECTRONIC CONTROL MODULE - DDEC III - TM-9-2320-363-20-1_609

TM-9-2320-363-20-1 Truck Tractor Line Haul: 52 000 GVWR 6x4 M915A2 (NSN 2320-01-272-5029) Manual
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STEP/SEQUENCE RESULT WHAT TO DO NEXT TM 9-2320-363-20-1 Section 4 TROUBLESHOOTING CHARTS D. CHART -2 - ENGINE CRANKS BUT WILL NOT START (Cont'd) C 2-30 Verify Repairs Turn ignition off. Engine will All system diagnostics are Reconnect all connectors. not start. complete. Please review this Turn ignition on. section from the first step to find Clear codes. error. Note status of "Check Engine" Light. Engine starts Repairs are complete. If "Check Engine" Light does not and DDR reads stay on, start engine and run for (No codes). 1 minute or until "Check Engine: Light comes on. Stop engine. Engine starts G-o to START-1, pg 3-345.41 to Read inactive codes. codes appear. service codes. C 2-31 Check Fuel Filters Turn ignition off. Clogged filter(s). Replace filter(s). Prime Check primary and secondary fuel system, if required. filters to be sure they are not Then go to C2-30. clogged and that they are full of clean fuel. Clean filters and Go to C2-6. no air in filters. Change 3 3-345.81

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