Kohler KG2204 Service page 73

4.8.1. Ignition System and No Spark
WARNING
Electrical shock can cause injury.
Do not touch wires while engine is running.
When ignition systems fail, the most common symptom
will be rough running, misfire, or lack of engine power.
Ignition issues are often related to a lack of timely
maintenance. If beyond
maintenance time, change the plugs and leads. Refer
to the equipment or engine operation manual for the
maintenance interval chart.
A no spark condition can be caused by issues with the
crank position sensor, ignition coil, spark plug leads,
wire harness, or ECM.
Important: When the engine is running, do not pull the
ignition coil off of its spark plug to verify if it's sparking.
This method can damage an ignition coil.
TP-6903 5/16a
the recommended

Before diagnosing no spark ignition issues,
make sure the ECM is receiving the
initialization signal on P26-3 and P26-65 and
the crank position sensor is working.

If spark is present, the ignition coil is likely
good. Use an HEI spark tester when checking
for engine spark.

Pull the leads off of the spark plugs and
check individual cylinders for spark. If
consistent spark is present, replace the spark
plugs. If inconsistent spark is present, bypass
the plug leads and check for spark directly
from the ignition coil.

To verify that the ignition coil is working,
attach a spark plug tester directly to the coil
secondary and test for spark.
If spark is present, the ignition coil is
o
good.
If spark is not present, troubleshoot
o
the ignition coil using the chart in
Figure 4-19.
Electrical System and Sensor Troubleshooting 73