F166 DUAL ENGINE TIE BAR Force
H0202B81M, H0202H82N, H0252B83G, H0252H77B, H0254H75A, H0257F88A, H0257F88B, H0307H81D, H0351H76K, H0352F90B, H0352F90C, H0353E91A, H0353E91B, H0356F89B, H0356H75F, H0357C86A, H0357C87A, H0357C88B, H0357F88A, H0357F89C, H0357G90A, H0357H83N, H0456B79
DUAL
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Compatible models:
H0202B81M
H0202H82N
H0252B83G
H0252H77B
H0254H75A
H0257F88A
H0257F88B
H0307H81D
H0351H76K
H0352F90B
H0352F90C
H0353E91A
H0353E91B
H0356F89B
H0356H75F
H0357C86A
H0357C87A
H0357C88B
H0357F88A
H0357F89C
H0357G90A
H0357H83N
H0456B79K
H0456B80L
H0457H82N
H0457H83P
H0503H84B
H0504H88C
H0504H88D
H0504P89B
H0505C89B
H0507A89C
H0507A89D
H0507A90A
H0507A90B
H0507A90C
H0507A90D
H0507A91A
H0507A91C
H0507A92A
H0507B85A
H0507C86A
H0507C87A
H0507C87C
H0507C88B
H0507F87B
H0507F88A
H0507H81A
H0507H82B
H0507Z89B
H0555H74G
H0757H75A
H0757H76C
H0859H78A
H1059H76D
H1059H77G
H1209H76F
H1407H78A
H1409H78A
Force
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- SPECIAL TOOLS - ACCESSORIES » F166
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- ACCESSORIES » F166
- ACCESSORIES » F166
- SPECIAL TOOLS - ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
- ACCESSORIES » F166
Information:
Probable Causes
Diagnostic codes and event codes
Cold mode operation
Throttle signal
Intake manifold pressure sensor and atmospheric pressure sensor
Fuel supply
Air inlet and exhaust system
Accessory equipmentRecommended Actions
Diagnostic Codes and Event Codes
Use Caterpillar Electronic Technician (ET) to check for logged derates. The engine speed or the engine power may be limited due to one of the following conditions: high altitude, high intake manifold air temperature, low oil pressure, air filter restriction and other factors. Refer to Troubleshooting, "Troubleshooting with an Event Code" for the specific events that are applicable to this application.Cold Mode Operation
Use Cat ET to verify that the engine has exited cold mode. Cold mode operation may cause a slow throttle response. Engine speed may also be limited during cold mode operation.Throttle Signal
Use Cat ET in order to monitor the throttle position while you operate the throttle pedal. Ensure that the throttle position sensor is operating correctly. Refer to Troubleshooting, "Throttle Position Sensor Circuit - Test".Intake Manifold Pressure Sensor and Atmospheric Pressure Sensor
Monitor the status of "Fuel Position", of "Rated Fuel Limit", and of "FRC Fuel Limit" on Cat ET while the engine is operating under full load. These parameters must reflect the information below.
Table 1
"Fuel Position" = "Rated Fuel Limit"
and
"Fuel Position" < "FRC Fuel Limit" If "Fuel Position" equals "Rated Fuel Limit" and "Fuel Position" is less than "FRC Fuel Limit", the electronics are operating correctly. Otherwise, proceed with the next Step.
Use Cat ET in order to monitor the status of the "Boost Pressure". With the engine stopped, the correct "Boost Pressure" is 0 kPa (0 psi).
Start the engine and monitor the status of "Boost Pressure" while you vary the engine speed. Ensure that the pressure reading is fluctuating with the engine speed.
Use Cat ET in order to check the status of the "Atmospheric Pressure". Verify that the pressure reading is reasonable for the current conditions. Fuel Supply
Check the fuel lines for the following problems: restrictions, collapsed lines and pinched lines. If problems are found with the fuel lines, repair the lines and/or replace the lines.
Check the fuel tank for foreign objects or debris which may block the fuel supply.
Prime the fuel system if any of the following items have been serviced recently:
Fuel filters
Low pressure fuel supply circuit
Unit injectorsNote: A sight glass in the low pressure supply line is helpful in diagnosing air in the fuel. Refer to Testing and Adjusting, "Air in Fuel - Test" for more information.
Do not crank the engine continuously for more than 30 seconds. Allow the starting motor to cool for two minutes before cranking the engine again.
Cold weather adversely affects the characteristics of the fuel. Refer to the Operation and Maintenance Manual for information on improving the characteristics of the fuel during cold weather operation.
Check the fuel pressure during engine cranking. Refer to Systems Operation/Testing and Adjusting, "Fuel System" for the correct procedure. If the fuel pressure is below specifications, replace the fuel filters. If this does not correct the problem, check for the proper operation of the following items: fuel transfer pump, fuel pressure relief valve and fuel pressure regulator valve. Air Inlet and Exhaust System
Check for an air filter restriction indicator. Clean plugged air filters or replace plugged air filters. Refer to the Operation and Maintenance Manual.
Check the air inlet and exhaust system for restrictions and/or leaks. Refer to Systems Operation/Testing and Adjusting, "Air Inlet and Exhaust System". Accessory Equipment
Check all accessory equipment for problems that may create excessive load on the engine. Make the necessary repairs to damaged components. Replace parts, if necessary.
Diagnostic codes and event codes
Cold mode operation
Throttle signal
Intake manifold pressure sensor and atmospheric pressure sensor
Fuel supply
Air inlet and exhaust system
Accessory equipmentRecommended Actions
Diagnostic Codes and Event Codes
Use Caterpillar Electronic Technician (ET) to check for logged derates. The engine speed or the engine power may be limited due to one of the following conditions: high altitude, high intake manifold air temperature, low oil pressure, air filter restriction and other factors. Refer to Troubleshooting, "Troubleshooting with an Event Code" for the specific events that are applicable to this application.Cold Mode Operation
Use Cat ET to verify that the engine has exited cold mode. Cold mode operation may cause a slow throttle response. Engine speed may also be limited during cold mode operation.Throttle Signal
Use Cat ET in order to monitor the throttle position while you operate the throttle pedal. Ensure that the throttle position sensor is operating correctly. Refer to Troubleshooting, "Throttle Position Sensor Circuit - Test".Intake Manifold Pressure Sensor and Atmospheric Pressure Sensor
Monitor the status of "Fuel Position", of "Rated Fuel Limit", and of "FRC Fuel Limit" on Cat ET while the engine is operating under full load. These parameters must reflect the information below.
Table 1
"Fuel Position" = "Rated Fuel Limit"
and
"Fuel Position" < "FRC Fuel Limit" If "Fuel Position" equals "Rated Fuel Limit" and "Fuel Position" is less than "FRC Fuel Limit", the electronics are operating correctly. Otherwise, proceed with the next Step.
Use Cat ET in order to monitor the status of the "Boost Pressure". With the engine stopped, the correct "Boost Pressure" is 0 kPa (0 psi).
Start the engine and monitor the status of "Boost Pressure" while you vary the engine speed. Ensure that the pressure reading is fluctuating with the engine speed.
Use Cat ET in order to check the status of the "Atmospheric Pressure". Verify that the pressure reading is reasonable for the current conditions. Fuel Supply
Check the fuel lines for the following problems: restrictions, collapsed lines and pinched lines. If problems are found with the fuel lines, repair the lines and/or replace the lines.
Check the fuel tank for foreign objects or debris which may block the fuel supply.
Prime the fuel system if any of the following items have been serviced recently:
Fuel filters
Low pressure fuel supply circuit
Unit injectorsNote: A sight glass in the low pressure supply line is helpful in diagnosing air in the fuel. Refer to Testing and Adjusting, "Air in Fuel - Test" for more information.
Do not crank the engine continuously for more than 30 seconds. Allow the starting motor to cool for two minutes before cranking the engine again.
Cold weather adversely affects the characteristics of the fuel. Refer to the Operation and Maintenance Manual for information on improving the characteristics of the fuel during cold weather operation.
Check the fuel pressure during engine cranking. Refer to Systems Operation/Testing and Adjusting, "Fuel System" for the correct procedure. If the fuel pressure is below specifications, replace the fuel filters. If this does not correct the problem, check for the proper operation of the following items: fuel transfer pump, fuel pressure relief valve and fuel pressure regulator valve. Air Inlet and Exhaust System
Check for an air filter restriction indicator. Clean plugged air filters or replace plugged air filters. Refer to the Operation and Maintenance Manual.
Check the air inlet and exhaust system for restrictions and/or leaks. Refer to Systems Operation/Testing and Adjusting, "Air Inlet and Exhaust System". Accessory Equipment
Check all accessory equipment for problems that may create excessive load on the engine. Make the necessary repairs to damaged components. Replace parts, if necessary.