Service Manual

GeneralTroubleshooting(continued)
Problem
PossibleCauseCorrectiveAction
Fuelquality
1.Checkthefuelcondition:age,
octane,ethanolpercentage,
water/iceorothercontaminants.
2.Flushthefuelsystem,replacefuel
withknowngoodfuel.
3.Replacethefuellter.
4.ConsiderusingToroFuelTreatment.
Fueldeliveryissue
1.VerifythefuelshutoffisintheON
position.
2.Checkthefuellevel,fuellter,
fuellines,fueltankventing,and
carburetor.
3.Checkforiceblockinglter,lines,or
inthebowlofthecarburetor.
4.Verifythefueltankcapisventing.
5.Cleandebrisfromthefuelsystem.
6.Replacedamagedcomponentsas
necessary.
Sparkplug1.Checktoverifythesparkplugboot
isinstalledcorrectly.
2.Checkthesparkplugnumber.
3.Checkthesparkpluggap.
4.Fullyinstallthesparkplugboot.
5.Replaceasnecessary.
Enginerunsbutmisses
Weakorintermittentspark
1.Performasparktest.
2.Verifythekeyisfullyinsertedand
thethrottlecontrolisinthefast
position.
3.Checktheignitioncoilairgap.
Adjustasnecessary.
4.Replaceasnecessary.
G210EngineServiceManual
Page3–5
Troubleshooting:GeneralTroubleshooting
3439-732RevA