Ignition Troubleshooting - Tecumseh TM SERIES Technician's Handbook

IGNITION TROUBLESHOOTING

SPARK
Check compression release
for stuck open condition
Check flywheel for damaged
or sheared key
Set proper air gap on solid
state module
Test solid state module for
intermittent or weak spark
Fuel system problem -
see Chapter 3 -
"Troubleshooting"
Engine Will Not Start
Check For Spark
Equipment problem, check
switches, wiring and
equipment controls
Engine Runs Erratically
Or Shuts Off, Restarts
NO SPARK
Replace spark plug
Isolate engine and repeat
test
SPARK NO SPARK
Engine problem, check for
shorts or grounds in wiring
Disconnect ignition cut-off
wire at the solid state
module and repeat test
Check for proper air gap on
solid state module and
repeat test
Check flywheel magnets for
strength
Test solid state module
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