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MOUNTING GP 3079899 - Caterpillar



3079899 MOUNTING GP Caterpillar parts MOUNTING
Rating:
26
Alternative (cross code) number:
CA3079899
307-9899
3079899
Caterpillar 3079899 MOUNTING GP

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Information:

Probable Causes
Diagnostic codes
ECM parameters
Electrical connectors
Electronic system
Air intake and exhaust system
Valve lash
Turbocharger (if equipped)
Fuel supply
Low compression (cylinder pressure)
Individual malfunctioning cylinders
Fuel injection nozzlesRecommended Actions
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.
Diagnostic Codes
Check for active diagnostic codes on the electronic service tool. Troubleshoot any active codes before continuing with this procedure.ECM Parameters
Ensure that the problem is not a parameter that has been incorrectly programmed.
Use the electronic service tool to ensure that the correct mode was selected.
Use the electronic service tool to verify that the correct engine rating has been provided.
Use the electronic service tool to verify the maximum engine speed limit.
Use the electronic service tool to reset the parameters to the OEM specifications.
Ensure that the repairs have eliminated the performance problems.
If the repairs have not eliminated the faults proceed to "Electrical Connectors". Electrical Connectors
Check for correct installation of ECM connectors at the following locations:
J1/P1 ECM connector
J20/P20 Machine interface connector
J40/P40 Fuel injection pump connector
J100/P100 Engine coolant temperature sensor connector
J103/P103 Intake manifold air temperature sensor connector
J200/P200 Intake manifold pressure sensor connector
J201/P201 Engine oil pressure sensor connector
J401/P401 Speed/timing sensor connector
Refer to Troubleshooting, "Electrical Connectors - Inspect".
Use the electronic service tool to check for the following logged diagnostic code: 253-02 "Personality Module erratic, intermittent, or incorrect". If this diagnostic code is logged, proceed to Troubleshooting, "Electrical Power Supply Circuit - Test".
Inspect the battery wires from the ECM back to the battery compartment. Inspect the wires and the power relay. Check the power and ground connections to the ECM. Refer to Troubleshooting, "Electrical Power Supply Circuit - Test" for more information.
Check the P40 VP30 fuel pump connector. Refer to Troubleshooting, "Fuel Injection Pump Circuit - Test".
Repair any faults and check that the fault has been eliminated. If the fault has not been eliminated, proceed to "Electronic System". Electronic System
Turn the start switch to the ON position.
Use the electronic service tool to verify that the intake manifold pressure is 0 kPa (0 psi). Check the 5 V sensor supply for the intake manifold pressure. Refer to Troubleshooting, "5 Volt Engine Pressure Sensor Supply Circuit - Test".
Use the electronic service tool to verify the throttle position status.
Run the engine until the speed is equal to the maximum no-load speed.
If the maximum no-load speed can not be obtained refer to Troubleshooting, "Throttle Switch Circuit - Test" and Troubleshooting, "Mode Selection Circuit - Test".
If the engine speed is erratic refer to Troubleshooting, "Analog Throttle Position Sensor Circuit - Test" or Troubleshooting, "Digital Throttle Position Sensor Circuit - Test".
Repair any faults and check that the fault has been eliminated. If the fault has not been eliminated, proceed to "Air Intake and Exhaust System". Air Intake and Exhaust System
Check the air filter restriction indicator, if equipped.
Ensure that the air filter is clean and serviceable.
Check the air intake and the exhaust system for the following defects:
Blockages
Restrictions
Damage to the air intake and exhaust lines and hoses
Make all necessary repairs to the engine.
Ensure that the repairs have


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