Toro RT1200 - Engine Performance Troubleshooting; Engine Runs Rough or Knocks Troubleshooting; Exhaust Smoke Troubleshooting

Problem
PossibleCauseCorrectiveAction
1.Thereisdirtorwaterinthefuelsystem.1.Drainandushthefuelsystem;add
freshfuel.
2.Theengineoverheats.
2.Checktheengineoillevelandaddoil
asneeded;alsocheckandservicethe
coolantsystem,ifnecessary.
3.Thereisairinthefuel.3.Bleedthenozzleandcheckforair
leaksatthefuelhoseconnectionsand
thettingsbetweenthefueltankand
theengine.
4.Theinjectionnozzlesaredamaged.
4.ContactyourAuthorizedService
Dealer.
5.Theenginehaslowcompression.
5.ContactyourAuthorizedService
Dealer.
6.Thereisexcessivecarbonbuildup.
6.ContactyourAuthorizedService
Dealer.
Theenginerunsbutknocksormisses.
7.Theenginehasinternalwearor
damage.
7.ContactyourAuthorizedService
Dealer.
1.Thecoolantlevelistoolow.
1.Checkthecoolantlevelandadd
coolanttothesystem.
2.Theairowtotheradiatorisrestricted.
2.Inspectandcleantheradiatorscreen.
3.Theengineoilleveliseithertoolowor
toohigh.
3.Eitheraddordraintheengineoiluntil
theoillevelisattheFullmark.
4.Themachineisunderanexcessive
load.
4.Reducetheloadonthemachine;
operatethemachineataslower
groundspeed.
5.Thereisimproperfuelinthefuel
system.
5.Drainandushthefuelsystem,then
addfreshfuel.
6.Thethermostatisdamaged.
6.ContactyourAuthorizedService
Dealer.
7.Theinjectiontimingisincorrect.
7.ContactyourAuthorizedService
Dealer.
Theengineisoverheated.
8.Thecoolantpumpisdamaged.
8.ContactyourAuthorizedService
Dealer.
1.Theaircleaningsystemelementsare
dirty.
1.Servicetheaircleaningsystem
elements.
2.Thereisimproperfuelinthefuel
system.
2.Drainandushthefuelsystem,then
addfreshfuel.
3.Theinjectionpumptimingisincorrect.
3.ContactyourAuthorizedService
Dealer.
4.Theinjectionpumpisdamaged.
4.ContactyourAuthorizedService
Dealer.
5.Theinjectionnozzlesaredamaged.
5.ContactyourAuthorizedService
Dealer.
Thereisexcessiveblacksmokeinthe
exhaust.
6.Theturbochargerisdamaged.
6.ContactyourAuthorizedService
Dealer.
1.ThekeywasturnedtotheStartposition
beforetheglowpluglightturnedoff.
1.TurnthekeytotheRunpositionand
allowtheglowpluglighttoturnoff
beforestartingtheengine.
2.Theenginetemperatureislow.
2.Checkthethermostatandreplaceitif
necessary.
3.Theglowplugsarenotoperating.
3.Checkthefuse,glowplugs,andwiring.
4.Theinjectionnozzlesaredamaged.
4.ContactyourAuthorizedService
Dealer.
5.Theenginehaslowcompression.
5.ContactyourAuthorizedService
Dealer.
Thereisexcessivewhitesmokeinthe
exhaust.
6.Thereisaninternalcoolantleakinthe
engine.
6.ContactyourAuthorizedService
Dealer.
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