Engine Cranks but Will Not Start
- Electrical power supply
- Low fuel pressure and/or carburetor
- Connectors for the Ignition transformers
- Magneto
- Magneto Interface Box (MIB)
- No speed sensor signal
- No crank angle sensor signal
- Timing Control Module (TCM)
Refer to Troubleshooting, "Electrical Power Supply". If the DDT will not communicate with the TCM, refer to Troubleshooting, "DDT Troubleshooting".
Low Fuel Pressure and/or Carburetor
Refer to Systems Operation/Testing and Adjusting, SENR4604, "Troubleshooting".
Connectors for the Ignition Transformers
Check the connections to the ignition transformers. Verify that the wiring is correct.
Replace the magneto. Refer to Systems Operation/Testing and Adjusting, SENR4604, "Magneto Installation" and Troubleshooting, "Magneto Calibration".
Replace the MIB.
Refer to Troubleshooting, "Speed Sensor".
Refer to Troubleshooting, "Crank Angle Sensor".
Replace the TCM. Refer to Troubleshooting, "Programming the TCM".
Caterpillar Information System:
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