Teledyne Continental Motors, Inc.
TM
Troubleshooting
8-8.
Ignition System
Excessive RPM drop ..........................................................................................................Go to Section 8-8.2
Poor acceleration................................................................................................................Go to Section 8-8.2
Continuous fouling of spark plugs..........................................................Go to Section 8-10, Engine Cylinders.
8-8.1. Engine will not start
8-8.2. Engine Runs Rough
Check ignition harness
connections
Engine runs rough
Connect ignition harness properly
(Section 9-4, Ignition System
Maintenance).
NOT
OK
Check spark plug condition
(Section 9-4).
OK
Perform FADEC Level I
Diagnostics.
NOT
OK
OK
OK
Replace faulty spark plugs (Section 9-
4, Ignition System Maintenance).
NOT
OK
Perform Ignition Harness and
Spark Plug Diagnostics (Section
8-8.4)
OK
Go to
Section
8-6.2.
IOF-550 Permold Series Engine Maintenance Manual
8-29
1 April 2007