2371543 ENGINE AR-COMPLETE Caterpillar parts
C7
Rating:
Alternative (cross code) number:
CA2371543
237-1543
2371543
CA2371543
237-1543
2371543
TRUCK ENGINE,
Compatible equipment models: 2371543:
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Information:
Probable Causes
Fuel leak
Incorrect ignition timing
Incorrect air/fuel ratioRecommended Repairs
Fuel Leak
Inspect the fuel system for leaks.Ignition Timing
Note: Data from a fuel analysis is required for this procedure.Use the Digital Diagnostic Tool (DDT) or the Caterpillar Electronic Technician (ET) to check for the correct desired ignition timing.Adjust the ignition timing according to the recommended timing in the Engine Performance, "Fuel Usage Guide".Air/Fuel Ratio
An air/fuel mixture that is too lean will increase fuel consumption. A change in the fuel energy content will change the air/fuel ratio. Obtain a fuel analysis. Refer to Operation and Maintenance Manual, "Carburetor Air/Fuel Ratio - Check/Adjust".The fuel supply pressure must be adequate and stable.Strike the gas pressure regulator with a soft hammer. If the engine speed changes, inspect the internal parts of the gas pressure regulator for wear. Inspect the gas pressure regulator's diaphragm for leaks. Make sure that the valve moves freely. The valve must seat correctly.Verify that the exhaust emissions are correct.
Fuel leak
Incorrect ignition timing
Incorrect air/fuel ratioRecommended Repairs
Fuel Leak
Inspect the fuel system for leaks.Ignition Timing
Note: Data from a fuel analysis is required for this procedure.Use the Digital Diagnostic Tool (DDT) or the Caterpillar Electronic Technician (ET) to check for the correct desired ignition timing.Adjust the ignition timing according to the recommended timing in the Engine Performance, "Fuel Usage Guide".Air/Fuel Ratio
An air/fuel mixture that is too lean will increase fuel consumption. A change in the fuel energy content will change the air/fuel ratio. Obtain a fuel analysis. Refer to Operation and Maintenance Manual, "Carburetor Air/Fuel Ratio - Check/Adjust".The fuel supply pressure must be adequate and stable.Strike the gas pressure regulator with a soft hammer. If the engine speed changes, inspect the internal parts of the gas pressure regulator for wear. Inspect the gas pressure regulator's diaphragm for leaks. Make sure that the valve moves freely. The valve must seat correctly.Verify that the exhaust emissions are correct.