6C13G11 9-20123456789Ignition systemCheck the condition of the sparkplugs.Clean, adjust, or replace thespark plugs.NoCheck the ignition spark usingthe ignition tester.YesWARNING• Do not touch any of the connections of the ignition tester leads.• Do not let sparks leak out of the removed spark plug caps.• Keep flammable gas and liquids away, since this test can producesparks.NoCheck the fuel system.Good condition?YesYesRepair or replace the spark plugwire.NoCheck the resistance of eachspark plug wire and check thespark plug caps for salt buildup.YesNo Replace the ignition coils.Good condition?Good condition?Check the ECM output peakvoltage.Good spark?Check the resistance of eachignition coil.Power unit
