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STEP AS 4416180 - Caterpillar

4416180 STEP AS Caterpillar parts
Alternative (cross code) number:
Caterpillar 4416180 STEP AS
Weight: 8 pounds 3 kg.

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Number on catalog scheme: 14
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The connection of any electrical equipment and the disconnection of any electrical equipment may cause an explosion hazard which may result in injury or death. Do not connect any electrical equipment or disconnect any electrical equipment in an explosive atmosphere.
Probable Causes
Active diagnostic codes or engine events
Incorrectly programmed parameters
Cold mode operation
Incorrect flash file
Incorrect throttle signal
Poor electrical connections
Turbocharger outlet pressure sensor, rated fuel position and/or FRC fuel position
Air inlet and exhaust system
Fuel supplyRecommended Actions
Active Diagnostic Codes or Engine Events
Certain diagnostic codes and/or event codes may cause poor performance. Connect the Caterpillar Electronic Technician (ET) and check for active codes and for logged codes. Troubleshoot any active codes that are present before continuing with this procedure.Incorrectly Programmed Parameters
Determine the type of throttle that is used in the application. Program the parameters to match the type of throttle that is used. Refer to Troubleshooting, "Throttle Position Sensor Circuit - Test" for troubleshooting information.Note: If the parameters are not programmed correctly, then the engine will have poor performance.Cold Mode Operation
The Electronic Control Module (ECM) will activate the cold start strategy during engine warm-up in cold weather.When the cold start strategy is activated, the engine's power will be limited.Incorrect Flash File
Verify that the correct flash file is installed.Incorrect Throttle Signal
Use Cat ET to view the status for the throttle position on the status screen. Operate the throttle from the low idle position to the high idle position. The status should be 0 percent at low idle and the status should be 100 percent at high idle. If the status cannot operate in the full range, refer to the calibration procedure Troubleshooting, "Throttle Position Sensor - Calibrate".Diagnostic codes that are related to the J1939 data link will prevent correct operation of the throttle if the throttle position is transmitted over the data link. If there is a problem with the data link, the engine will remain at low idle until the data link is repaired.Poor Electrical Connections
Check for the correct installation of the J2/P2 and J1/P1 ECM connectors. Check the J300/P300 valve cover connector. Refer to Troubleshooting, "Electrical Connectors - Inspect".Turbocharger Outlet Pressure Sensor, Rated Fuel Position and/or FRC Fuel Position
Monitor the status of "Fuel Position", "Rated Fuel Limit", and "FRC Fuel Limit" on Cat ET while the engine is operating under full load. These parameters should reflect the information below.
Table 1
"Fuel Position" = "Rated Fuel Limit"
"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.
Monitor the status of "Boost Pressure" and "Atmospheric Pressure" for normal operation on Cat ET. When the engine is not running, "Boost Pressure" should be 0 kPa (0 psi).Note: A problem with the FRC will only cause black smoke during acceleration. A problem with the FRC will not cause black smoke during steady state operation.Air Inlet and Exhaust System
Check for an air filter restriction. If necessary, service the air filter element.
Check for the correct operation of

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