Teledyne Continental Motors, Inc.
TM
Troubleshooting
IOF-550 Permold Series Engine Maintenance Manual
8-1
1 April 2007
Chapter 8.
TROUBLESHOOTING
CONTENTS
Chapter 8. Troubleshooting ...................................................................................................... 8-1
8-1. Overview .............................................................................................................................. 8-3
8-2. General Troubleshooting Chart ............................................................................................ 8-4
8-2.1. Engine Runs Rough ................................................................................................................................... 8-5
8-2.2. Engine will not Run ................................................................................................................................... 8-6
8-2.3. Engine Indication Malfunctions ................................................................................................................ 8-6
8-2.4. Engine Performance Malfunctions ............................................................................................................ 8-7
8-3. Induction System .................................................................................................................. 8-8
8-3.1. Engine will not Start .................................................................................................................................. 8-8
8-3.2. Engine will not Run ................................................................................................................................... 8-8
8-3.3. Engine Lacks Power or Maximum Manifold Pressure Reduced ............................................................... 8-8
8-4. Fuel Injection System ........................................................................................................... 8-9
8-4.1. Fuel Injection System Operational Check ............................................................................................... 8-10
8-5. Charging System................................................................................................................. 8-12
8-6. FADEC System .................................................................................................................. 8-12
8-6.1. FADEC Level I Diagnostics .................................................................................................................... 8-12
8-6.2. FADEC System Fault Isolation ............................................................................................................... 8-20
8-6.3. Electronic Control Unit (ECU) ................................................................................................................ 8-21
8-6.4. Engine Data Interface .............................................................................................................................. 8-21
8-6.6. Manifold Air Pressure Sensor.................................................................................................................. 8-23
8-6.8. Manifold Air Temperature Sensor........................................................................................................... 8-25
8-6.9. Cylinder Head Temperature (CHT) Sensor ............................................................................................. 8-26
8-7. Starter System..................................................................................................................... 8-28
8-8. Ignition System................................................................................................................... 8-29
8-8.1. Engine will not start................................................................................................................................. 8-29
8-8.2. Engine Runs Rough ................................................................................................................................. 8-29
8-8.3. Engine will not Stop ................................................................................................................................ 8-30
8-9. Lubrication System............................................................................................................. 8-31
8-9.1. Oil Temperature Malfunctions ................................................................................................................ 8-31
8-9.2. Oil Pressure Malfunctions ....................................................................................................................... 8-32
8-10. Engine Cylinders .............................................................................................................. 8-32
8-10.1. Rough Idling .......................................................................................................................................... 8-33
8-10.2. Cylinder Temperature............................................................................................................................ 8-33
8-11.1. Excessive Crankcase Pressure ............................................................................................................... 8-35
8-11.2. Crankcase Accessories........................................................................................................................... 8-35