Toro TX 525 - Engine Running Problems; Engine Starts But Stops; Engine Knocking or Missing; Engine Idle Problems

Problem
PossibleCauseCorrectiveAction
1.Thefuel-tankventisrestricted.1.Loosenthecap.Iftheenginerunswith
thecaploosened,replacethecap.
2.Dirtorwaterisinthefuelsystem.2.Drainandushthefuelsystem;add
freshfuel.
3.Thefuellterisclogged.3.Replacethefuellter.
4.Thereisairinthefuel.4.Bleedthenozzlesandcheckforair
leaksatfuelhoseconnectionsand
ttingsbetweenthefueltankand
engine.
5.Improperfuelgradeforcoldweather
wasusedinthemachine.
5.Drainthefuelsystemandreplace
thefuellter.Addfreshfuelof
propergradeforambienttemperature
conditions.
6.Thespark-arrestorscreenisclogged.
6.Cleanorreplacethespark-arrestor
screen.
Theenginestartsbutdoesnotkeep
running.
7.Thefuelpumpisdamaged.7.ContactyourAuthorizedService
Dealer.
1.Dirt,water,stalefuel,orincorrectfuel
isinthefuelsystem.
1.Drainandushthefuelsystem;add
freshfuel.
2.Theengineisoverheating.
2.Referto“Theengineoverheats.”
3.Thereisairinthefuel.3.Bleedthenozzlesandcheckforair
leaksatthefuelhoseconnections
andttingsbetweenthefueltankand
engine.
4.Theinjectionnozzlesaredamaged.
4.ContactyourAuthorizedService
Dealer.
5.Thereislowcompression
5.ContactyourAuthorizedService
Dealer.
6.Theinjection-pumptimingisincorrect.
6.ContactyourAuthorizedService
Dealer.
7.Thereisexcessivecarbonbuildup.
7.ContactyourAuthorizedService
Dealer.
Theenginerunsbutknocksormisses.
8.Thereisinternalwearordamage.
8.ContactyourAuthorizedService
Dealer.
1.Thefuel-tankventisrestricted.
1.Loosenthecap.Iftheenginerunswith
thecaploosened,replacethecap.
2.Dirt,water,stalefuel,orincorrectfuel
isinthefuelsystem.
2.Drainandushthefuelsystem;add
freshfuel.
3.Theair-cleanerltersaredirty.3.Servicetheairlters.
4.Thefuellterisclogged.4.Replacethefuellter.
5.Thereisairinthefuel.
5.Bleedthenozzlesandcheckforair
leaksatfuelhoseconnectionsand
ttingsbetweenthefueltankand
engine.
6.Thefuelpumpisdamaged.
6.ContactyourAuthorizedService
Dealer.
Theenginedoesnotidle.
7.Thereislowcompression
7.ContactyourAuthorizedService
Dealer.
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