1-251-25THDC / THDCP - 954 / 955 / 974 (Rev. 06/03)THDC / THDCP - 954 / 955 / 974 (Rev. 06/03)
PPrroobblleem m CCaauusse e CCoorrrreeccttiioonn
41.41. ExcessiExcessive wve whitehite
smokesmoke
1. 1. ElectroniElectronic fc fault cault codes arodes are acte active.ive.
2. 2. EnginEngine block he block heater meater malfualfunctinctioningoning
(if equipped).(if equipped).
3. 3. Coolant Coolant temperaturtemperature is e is too ltoo lowow..
4. 4. EngEngine ine is is colcold.d.
5. 5. Fuel Fuel grade igrade is incs incorrorrect or ect or fuelfuel
quality poor.quality poor.
6. 6. OverOverhead adjhead adjustmustments arents are incoe incor-r-
rect.rect.
1. 1. ReRefer fer to to thetheQSM11 Fault CodeQSM11 Fault Code
InformationInformationchart in this section.chart in this section.
2. 2. Check Check electrielectrical cal source source and wiand wiringring
to cylinder to cylinder block heaterblock heater. . ReplaceReplace
block heater block heater if necessaryif necessary..
3. 3. RefRefer to Prer to Problem oblem 111. of thi1. of this tros trou-u-
bleshooting chart.bleshooting chart.
4. 4. AllAllow engow engine to wine to warm tarm to opero operatinatingg
temperature.temperature.
5. 5. RefRefer to Coer to Correrrectiction 1. of Pron 1. of Probleoblemm
17. of this troubleshooting chart.17. of this troubleshooting chart.
6. 6. MeasMeasure anure and adjusd adjust the ovt the overheerheadad
settingssettings. . Refer to tRefer to the Cummhe Cumminsins
Engine Operation and Mainte-Engine Operation and Mainte-
nance Manual.nance Manual.
7. 7. ContContact a Cact a Cummummins Ains Authoruthorizedized
Repair Facility.Repair Facility.
42.42. IntakIntake e manimanifoldfold
pressure (Boost) ispressure (Boost) is
below normalbelow normal
1. 1. Air iAir intakntake or exe or exhaushaust leakt leaks.s.
2. 2. Air Air comprescompressor sor connection connection is lis looseoose
or damaged.or damaged.
1. 1. ChecCheck for k for loosloose or dame or damaged piaged pipingping
connections or missing pipe plugs.connections or missing pipe plugs.
Check turbocharger and exhaustCheck turbocharger and exhaust
manifolmanifold d mounting.mounting.
2. 2. ChecCheck the ck the conneconnection btion betweetween theen the
manifold and the air compressor.manifold and the air compressor.
Repair or Repair or replace if replace if necessarynecessary..
3. 3. ContContact a Cact a Cummummins Ains Authoruthorizedized
Repair Facility.Repair Facility.
43.43. TTurbocurbocharghargerer
leaks engine oil orleaks engine oil or
fuelfuel
1. 1. OperaOperatinting for exg for extendetended perid periodsods
under light or no load conditions.under light or no load conditions.
2. 2. EnginEngine oil oe oil or fuer fuel entel enterinring turbg turbo-o-
charger.charger.
3. 3. TTurbocurbochargeharger drar drain liin line isne is
restricted.restricted.
1. 1. RefRefer to er to the Cthe Cummummins Eins Enginnginee
Operation and MaintenanceOperation and Maintenance
Manual.Manual.
2. 2. RemRemove inove intake atake and exhand exhaust piust piping,ping,
and check for oil or fuel.and check for oil or fuel.
3. 3. RemRemove the tove the turbocurbochargeharger drair drain linen line
and check for and check for restrirestriction. ction. Clean orClean or
replace the drain line.replace the drain line.
4. 4. ContContact a Cact a Cummummins Ains Authoruthorizedized
Repair Facility.Repair Facility.
To Next Page
Loading...