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Tag: 3100 HEUI

3126

3116 and 3126 Truck Engines Problem Fuel In Lubrication Oil

Posted on July 25, 2017 by sam

Probable Cause(s): * Defective Upper Seal On Unit Injector * Porosity In Cylinder Head * Porosity In Fuel Filter Base * Defective Seal In The…

3126

3116 and 3126 Truck Engines Problem Alternator Has Noise

Posted on July 25, 2017 by sam

Probable Cause(s): * Drive Belt For Alternator Is Worn Or Has A Defect * Loose Alternator Drive Pulley * Drive Belt And Drive Pulley For…

3126

3116 and 3126 Truck Engines Problem Alternator Charge Too High

Posted on July 25, 2017 by sam

Probable Cause(s): * Alternator Or Alternator Regulator Has Loose Connections * Alternator Regulator Has A Defect * Alternator Field Lead Shorted To Battery Voltage 1.…

3126

3116 and 3126 Truck Engines Problem No Charging Current, Or Low Or Irregular Charging Current

Posted on July 25, 2017 by sam

Probable Cause(s): * Loose Drive Belt For Alternator * Charging Or Ground Return Circuit Or Battery Connections Have A Defect * Alternator Regulator Has A…

3126

3116 and 3126 Truck Engines Problem Starting Motor Does Not Turn

Posted on July 25, 2017 by sam

Probable Cause(s): * Battery Has Low Output * Wires Or Switch Has Defect * Starting Motor Solenoid Has A Defect * Starting Motor Has A…

3126

3116 and 3126 Truck Engines Problem Exhaust Temperature Too High

Posted on July 25, 2017 by sam

Probable Cause(s): * Air Inlet System Has A Leak * Exhaust System Has A Leak * Air Inlet Or Exhaust System Has A Restriction *…

3126

3116 and 3126 Truck Engines Problem Below Normal Coolant Temperature

Posted on July 25, 2017 by sam

NOTE: For operation in cold or very cold temperatures, a winterfront cover or radiator shutters are recommended. Probable Cause(s): * Long Idle Periods * Very…

3126

3116 and 3126 Truck Engines Problem Above Normal Coolant Temperature

Posted on July 25, 2017 by sam

NOTE: The 3100 HEUI Electronic Control System will activate fault codes to warn of engine overheating. Using an electronic service tool check for logged or…

3126

3116 and 3126 Truck Engines Problem Engine Uses Too Much Lubrication Oil

Posted on July 25, 2017 by sam

Probable Cause(s): * Too Much Lubrication Oil In The Engine * Oil Leaks * Oil Temperature Is Too High * Worn Valve Guide Seals *…

3126

3116 and 3126 Truck Engines Problem Engine Has Low Oil Pressure

Posted on July 25, 2017 by sam

Probable Cause(s): * Insufficient Oil * Defect In Oil Pressure Gauge Or Sending Unit * Dirty Oil Filter Or Oil Cooler * Diesel Fuel In…

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