OMRG25204 oem uncert & tier 1.pdf - John Deere Industrial Engines

TroubleshootingSymptom Problem SolutionEngine knocks Low engine oil level. Add oil to engine crankcase.Injection pump out of time.Low coolant temperature.Engine overheating.See your authorized servicing dealeror engine distributor.Remove and check thermostat.See “Engine Overheats”.Engine runs irregularly or stalls Low coolant temperature. Remove and check thermostat.frequentlyClogged fuel filter.Water, dirt, or air in fuel system.Poor quality fuel.Dirty or faulty injection nozzles.Replace fuel filter element.Drain, flush, fill, and bleed system.Change to better quality fuel.Have authorized servicing dealer orengine distributor check injectors.Below normal engine Defective thermostat. Remove and check thermostat.temperatureDefective temperature gauge orsender.Check gauge, sender, andconnections.Continued on next pageOUOD006,000004C–19–13OCT06–2/750-8 110306PN=127