7E4276 SENDER-PRESSURE Caterpillar parts
3116, 3126, 3208
Rating:
Alternative (cross code) number:
CA7E4276
7E-4276
7E4276
CA7E4276
7E-4276
7E4276
Weight: 0.24 pounds 0 kg.
MARINE ENGINE,
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This part in 4 request:
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2023-08-12
2023-04-17
2021-10-18
2020-06-17
Information:
Probable Causes
Excessive load
Excessive inlet manifold air pressure
High inlet air temperature
Incorrect air/fuel ratio
Incorrect base timing
The engine speed/timing sensor is not calibrated.
Faulty circuit for the detonation sensor(s)
Excessive deposits in the combustion chamberRecommended Repairs
Excessive Load
Make sure that the load is not excessive. Reduce the load. If necessary, disengage the driven equipment and test the engine.Check the Inlet Manifold Air Pressure
The calculated engine load increases when the inlet manifold air pressure increases. Measure the inlet manifold air pressure during engine operation with a load. For specific data on the engine, refer to the engine Technical Marketing Information.Check the Inlet Air Temperature
High inlet air temperature can cause detonation. Check the inlet air temperature.Refer to Troubleshooting, "Inlet Air Temperature (High)".Air/Fuel Ratio
An air/fuel mixture that is too rich will cause detonation. Verify that the exhaust emissions are correct. Refer to Systems Operation/Testing and Adjusting, "Air/Fuel Ratio Control - Adjust".A change in the fuel energy content will change the air/fuel ratio. Obtain a fuel analysis.The fuel supply pressure must be adequate and stable. Make sure that the fuel metering valve is operating correctly.Check the Base Timing
Verify that the base timing is correct. Refer to Systems Operation/Testing and Adjusting, "Ignition Timing - Adjust".Calibrate the Engine Speed/Timing Sensor
Note: Only perform this procedure if work on the engine may have affected the engine timing. Also, perform this procedure if the engine speed/timing sensor has not been calibrated.Calibrate the engine speed/timing sensor. Refer to Troubleshooting, "Engine Speed/Timing Sensor - Calibrate".Check the Detonation Sensors
Troubleshoot the detonation sensors. Refer to Troubleshooting, "Detonation Sensors".Check for Deposits in the Cylinders
Overfilling of engine oil can lead to deposits. Make sure that the engine oil level is correct.Note: Excessive deposits contribute to guttering of the valves.Use a borescope to inspect the cylinders. Look for the following conditions:
Deposits on the valve seats
Deposits on the valve faces
Deposits on the cylinder walls that are above the upper limit of the piston stroke
Signs of internal leaksSigns of internal leaks include excessive consumption of engine oil, blue smoke, and excessive detonation.If excessive deposits and/or signs of internal leaks are found, investigate the cause of the condition. Make repairs, as needed.
Excessive load
Excessive inlet manifold air pressure
High inlet air temperature
Incorrect air/fuel ratio
Incorrect base timing
The engine speed/timing sensor is not calibrated.
Faulty circuit for the detonation sensor(s)
Excessive deposits in the combustion chamberRecommended Repairs
Excessive Load
Make sure that the load is not excessive. Reduce the load. If necessary, disengage the driven equipment and test the engine.Check the Inlet Manifold Air Pressure
The calculated engine load increases when the inlet manifold air pressure increases. Measure the inlet manifold air pressure during engine operation with a load. For specific data on the engine, refer to the engine Technical Marketing Information.Check the Inlet Air Temperature
High inlet air temperature can cause detonation. Check the inlet air temperature.Refer to Troubleshooting, "Inlet Air Temperature (High)".Air/Fuel Ratio
An air/fuel mixture that is too rich will cause detonation. Verify that the exhaust emissions are correct. Refer to Systems Operation/Testing and Adjusting, "Air/Fuel Ratio Control - Adjust".A change in the fuel energy content will change the air/fuel ratio. Obtain a fuel analysis.The fuel supply pressure must be adequate and stable. Make sure that the fuel metering valve is operating correctly.Check the Base Timing
Verify that the base timing is correct. Refer to Systems Operation/Testing and Adjusting, "Ignition Timing - Adjust".Calibrate the Engine Speed/Timing Sensor
Note: Only perform this procedure if work on the engine may have affected the engine timing. Also, perform this procedure if the engine speed/timing sensor has not been calibrated.Calibrate the engine speed/timing sensor. Refer to Troubleshooting, "Engine Speed/Timing Sensor - Calibrate".Check the Detonation Sensors
Troubleshoot the detonation sensors. Refer to Troubleshooting, "Detonation Sensors".Check for Deposits in the Cylinders
Overfilling of engine oil can lead to deposits. Make sure that the engine oil level is correct.Note: Excessive deposits contribute to guttering of the valves.Use a borescope to inspect the cylinders. Look for the following conditions:
Deposits on the valve seats
Deposits on the valve faces
Deposits on the cylinder walls that are above the upper limit of the piston stroke
Signs of internal leaksSigns of internal leaks include excessive consumption of engine oil, blue smoke, and excessive detonation.If excessive deposits and/or signs of internal leaks are found, investigate the cause of the condition. Make repairs, as needed.
Caterpillar parts catalog:
Parts sender Caterpillar catalog:
9X1124
SENDER AS-PRESSURE
3208, 3304, 3304B, 3306, 3306B, 3406, 3406B, 3406C, 3408, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 3508, 3512, 3516, 539, C-15, D398A, G3304, G342C, G399, PR-1000, PS-150B, PS-200B
3208, 3304, 3304B, 3306, 3306B, 3406, 3406B, 3406C, 3408, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 3508, 3512, 3516, 539, C-15, D398A, G3304, G342C, G399, PR-1000, PS-150B, PS-200B
5L7443
SENDER
3192, 3208, 3304, 3304B, 3306, 3306B, 3406, 3406B, 3406C, 3408, 3408C, 3412, D320A, D342C, D348, G399
3192, 3208, 3304, 3304B, 3306, 3306B, 3406, 3406B, 3406C, 3408, 3408C, 3412, D320A, D342C, D348, G399
0302010
SENDER AS-PRESSURE
30/30, 3114, 3116, 3126, 3208, 3304, 3306, 3306B, 3406B, 3406C, 3408, 3412, 3412C, 3508, 3512, 3516, 508, 621B, 631D, 65, 651B, 75, 973, AP-1000, AP-1050, AP-800, CP-563, CS-531, CS-533, CS-583, D250B...
30/30, 3114, 3116, 3126, 3208, 3304, 3306, 3306B, 3406B, 3406C, 3408, 3412, 3412C, 3508, 3512, 3516, 508, 621B, 631D, 65, 651B, 75, 973, AP-1000, AP-1050, AP-800, CP-563, CS-531, CS-533, CS-583, D250B...
4W9972
SENDER AS-TEMPERATURE
120H, 120H ES, 120H NA, 135H, 135H NA, 3114, 3116, 3126, 3508, 3508B, 3512, 3512B, 3516, 3516B, 414E, 416, 416B, 416C, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 426B, 426C, 428, 428B, 428C...
120H, 120H ES, 120H NA, 135H, 135H NA, 3114, 3116, 3126, 3508, 3508B, 3512, 3512B, 3516, 3516B, 414E, 416, 416B, 416C, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 426B, 426C, 428, 428B, 428C...
2397337
SENDER AS-PRESSURE
3126, 3304, 3306, 3406B, 3408, 3408C, 3412, 3412D, 3508, 3512, 3516
3126, 3304, 3306, 3406B, 3408, 3408C, 3412, 3412D, 3508, 3512, 3516
1121134
SENDER-PRESSURE
3116, 3126
3116, 3126
7E4283
SENDER-PRESSURE
3116, 3208, 3304B, 3306B
3116, 3208, 3304B, 3306B
7E4284
SENDER-PRESSURE
3116, 3208
3116, 3208
8N3844
SENDER-TEMPERATURE
225, 231D, 235B, 235C, 235D, 3114, 3116, 3126, 3406, 517, 527, 561M, 578, 583R, 587R, 589, 613C, 613C II, 631D, 631E, 633E II, 637D, 637E, 657B, 768C, 769C, 771C, 772B, 773B, 775B, 776C, 777B, 784B, 7...
225, 231D, 235B, 235C, 235D, 3114, 3116, 3126, 3406, 517, 527, 561M, 578, 583R, 587R, 589, 613C, 613C II, 631D, 631E, 633E II, 637D, 637E, 657B, 768C, 769C, 771C, 772B, 773B, 775B, 776C, 777B, 784B, 7...
2272529
SENDER-PRESSURE
3126, C7
3126, C7
7E4279
SENDER-TEMPERATURE
3116, 3126, 3208
3116, 3126, 3208
7E4275
SENDER-PRESSURE
3116, 3126, 3208, 3304B, 3306B
3116, 3126, 3208, 3304B, 3306B
2397337
SENDER AS-PRESSURE
3126, 3304, 3306, 3406B, 3408, 3408C, 3412, 3412D, 3508, 3512, 3516
3126, 3304, 3306, 3406B, 3408, 3408C, 3412, 3412D, 3508, 3512, 3516
7W2118
SENDER-PRESSURE
3208, 3304, 3306, 3406B, 3412, 3606, 3608, 3612, 3616, D398A, G3606, G3608, G3612, G3616
3208, 3304, 3306, 3406B, 3412, 3606, 3608, 3612, 3616, D398A, G3606, G3608, G3612, G3616
1W4687
SENDER
3208, 3304, 3306, 3406, 3408, 3412, 3508, 3512, 3516
3208, 3304, 3306, 3406, 3408, 3412, 3508, 3512, 3516
5L7449
SENDER-OIL PRESSURE
3208, 3306, 3406, 3408, 3412, D342C, D348
3208, 3306, 3406, 3408, 3412, D342C, D348
8N3844
SENDER-TEMPERATURE
225, 231D, 235B, 235C, 235D, 3114, 3116, 3126, 3406, 517, 527, 561M, 578, 583R, 587R, 589, 613C, 613C II, 631D, 631E, 633E II, 637D, 637E, 657B, 768C, 769C, 771C, 772B, 773B, 775B, 776C, 777B, 784B, 7...
225, 231D, 235B, 235C, 235D, 3114, 3116, 3126, 3406, 517, 527, 561M, 578, 583R, 587R, 589, 613C, 613C II, 631D, 631E, 633E II, 637D, 637E, 657B, 768C, 769C, 771C, 772B, 773B, 775B, 776C, 777B, 784B, 7...
7E4284
SENDER-PRESSURE
3116, 3208
3116, 3208
7E4283
SENDER-PRESSURE
3116, 3208, 3304B, 3306B
3116, 3208, 3304B, 3306B
1121134
SENDER-PRESSURE
3116, 3126
3116, 3126
7E4280
SENDER-TEMPERATURE
3116, 3126, 3208
3116, 3126, 3208