17680-921-000 VALVE, OUTLET (Honda Code 0444109). Honda
BF5A1 LA, BF5A1 SA, BF5A2 LA, BF5A2 SA, BF5A3 LA, BF5A3 SA, BF5A4 LA, BF5A4 SA, BF5A5 LA, BF5A5 SA, BF5A6 LA, BF5A6 SA, BF5AK0 LA, BF5AK0 SA, BF5AM LA, BF5AM SA, BF5AW LA, BF5AW SA, BF5AX LA, BF5AX SA, BF5AY LA, BF5AY SA, BF8A3 LA, BF8A3 SA, BF8A4 LA
VALVE
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Compatible models:
BF5A1 LA
BF5A1 SA
BF5A2 LA
BF5A2 SA
BF5A3 LA
BF5A3 SA
BF5A4 LA
BF5A4 SA
BF5A5 LA
BF5A5 SA
BF5A6 LA
BF5A6 SA
BF5AK0 LA
BF5AK0 SA
BF5AM LA
BF5AM SA
BF5AW LA
BF5AW SA
BF5AX LA
BF5AX SA
BF5AY LA
BF5AY SA
BF8A3 LA
BF8A3 SA
BF8A4 LA
BF8A4 SA
BF8A5 LA
BF8A5 SA
BF8A6 LA
BF8A6 SA
BF8AK0 LA
BF8AK0 SA
BF8AM LA
BF8AM SA
BF8AM XA
BF8AW LA
BF8AW SA
BF8AW XA
BF8AX LA
BF8AX SA
BF8AX XA
BF8AY LA
BF8AY SA
BF8AY XA
Honda
Honda entire parts catalog list:
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK (2) » 17680-921-000
- FUEL TANK (2) » 17680-921-000
- FUEL TANK (2) » 17680-921-000
- FUEL TANK (2) » 17680-921-000
- FUEL TANK (2) » 17680-921-000
- FUEL TANK (2) » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
- FUEL TANK » 17680-921-000
Information:
Probable Causes
Diagnostic codes
ECM Flash file
Glow plugs
Coolant temperature
Cooling system
Fuel quality
Valve lash
Low compression (cylinder pressure)
Electronic unit injectors
Individual malfunctioning cylinder
Aftertreatment system contains oil or fuelRecommended Actions
Diagnostic Codes
Note: The procedures have been listed in order of probability. Complete the procedures in order.
Table 1
Troubleshooting Test Steps Values Results
1. Diagnostic Codes
A. Establish communication between the electronic service tool and the Electronic Control Module (ECM). Refer to Troubleshooting, "Electronic Service Tools", if necessary.
B. Download the Histograms before performing any troubleshooting or clearing any diagnostic codes.
Note: The downloaded information will be required by the Dealer Solutions Network (DSN) if troubleshooting assistance is needed.
C. Determine if a code is active or logged.
Diagnostic codes
Result: A code is active or logged.
Repair: Troubleshoot any active codes before continuing with this procedure.
Result: A code is not active or logged.
Proceed to Test Step 2.
2. ECM Flash File
A. Verify that the latest flash file is installed in the ECM.
Flash file
Result: The latest flash file is not installed.
Repair: Install the latest flash file. Refer to Troubleshooting, "ECM Software - Install" for the correct procedure. Verify that the repair eliminates the fault.
Result: The latest flash file is installed.
Proceed to Test Step 3.
3. Glow Plugs
Note: Faulty glow plugs will only affect the production of white smoke when the ambient temperature is below 5° C (41° F).
A. Check operation of glow plugs. Verify that the glow plugs are operating correctly. Refer to Troubleshooting, "Glow Plug Starting Aid - Test".
Glow plugs
Result: The glow plugs are not operating correctly.
Repair: Make the necessary repairs. Verify that the repair corrected the fault.
Result: The glow plugs are operating correctly.
Proceed to Test Step 4.
4. Coolant Temperature
A. Check that the water temperature regulator is operating correctly. Refer to Systems Operation, Testing and Adjusting, "Water Temperature Regulator - Test".
Coolant temperature
Result: The water temperature regulator is not operating correctly.
Repair: Replace the water temperature regulator. Verify that the repair corrected the fault.
Result: The water temperature regulator is operating correctly.
Proceed to Test Step 5.
5. Cooling System
A. Check for an internal coolant leak into the cylinder and/or the exhaust. Refer to Systems Operation, Testing and Adjusting, "Cooling System".
Internal coolant leak
Result: There is an internal coolant leak.
Repair: Make the necessary repairs. Verify that the repair eliminated the fault.
Result: There is not an internal coolant leak.
Proceed to Test Step 6.
6. Fuel Quality
A. Check the fuel quality. Refer to Systems Operation, Testing and Adjusting, "Fuel Quality - Test".
B. Refer to Operation and Maintenance Manual for information on the proper characteristics of the fuel for the engine.
Fuel
Result: The fuel quality is not OK.
Repair: Drain the fuel system and replace the fuel filters. Refer to the Operation and Maintenance Manual, "Fuel System Primary Filter (Water Separator) Element - Replace" and Operation and Maintenance Manual, "Fuel System Filter - Replace".
Fill the fuel system with fuel that meets the standard in the Operation and Maintenance Manual, "Fluid Recommendations".
Prime the fuel system. Refer to the Operation and Maintenance Manual, "Fuel System - Prime".
Proceed to Test Step 12.
Result: The fuel quality is OK.
Proceed to Test Step 7.
7. Valve Lash
Note: The valve lash can affect the performance of the engine.
A. Check the valve lash.
Valve lash
Result: The valve lash is not set correctly.
Repair: Check the valve lash. Refer to Systems Operation, Testing and Adjusting, "Engine Valve Lash - Inspect" for the correct procedure.
Proceed to Test Step 11.
Result: The valve lash is correct.
Proceed to Test Step 8.
8. Low Compression (Cylinder Pressure)
A. Perform a compression test. Refer to Systems Operation, Testing and Adjusting, "Compression - Test".
Cylinder compression
Result: The results of the compression test are outside the specifications.
Repair: Investigate the cause and rectify any faults.
Note: Possible causes of low compression are shown in the following list:
Loose glow plugs
Faulty piston
Faulty piston rings
Worn cylinder bores
Worn valves
Faulty cylinder head gasket
Damaged cylinder head
Proceed to Test Step 12.
Result: The results of the compression test are OK.
Proceed to Test Step 9.
9. Electronic Unit Injectors
A. Use the electronic service tool to perform the automatic "Cylinder Cutout Test".
Note: If the compression test that was performed in Test Step 8 was satisfactory, the "Cylinder Cutout Test" will identify any faulty injectors.
Electronic Unit Injectors
Result: A faulty injector is indicated.
Repair: Remove any faulty electronic unit injectors. Refer to Disassembly and Assembly, "Electronic Unit Injector - Remove".
Install new electronic unit injectors. Refer to Disassembly and Assembly, "Electronic Unit Injector - Install".
Repeat the automatic "Cylinder Cutout Test". If the fault is still apparent, remove the replacement electronic unit injector and install the original electronic unit injector. Refer to Disassembly and Assembly, "Electronic Unit Injector - Remove" and Disassembly and Assembly, "Electronic Unit Injector - Install".
Proceed to Test Step 12.
Result: All injectors are OK.
Proceed to Test Step 10.
10. Clean the Fuel System
A. Following the instructions on the bottle, add Cat Fuel System Cleaner (343-6210) to the fuel tank.
Electronic Unit Injectors
Result: Performance should be restored within 2-3 hours.
Return the unit to service, the fuel system will be cleaned during operation.
Note: The engine should be run in a manner to protect the hardware - at idle or low speed and load.
Result: Performance is not restored within 2-3 hours.
Proceed to Test Step 11.
11. Individual Malfunctioning Cylinders
A. With the engine speed at a fast idle, use the electronic service tool to perform the manual "Cylinder Cutout Test".
As each cylinder is cut out, listen for a change in the sound from the engine. When a cylinder is cut out, there should be a noticeable change in the sound of the engine.
If a change in the sound of the engine is not noted, the isolated cylinder is not operating under normal conditions. If the isolation of a cylinder results in a change in the sound that is less noticeable, the cylinder may be operating below normal performance.
Cylinders
Result: The test indicates a faulty cylinder.
Repair: Investigate the cause of the fault on any cylinder that is not operating. Investigate the cause of the fault on any cylinder that is operating below normal performance.
Proceed to Test Step 12.
Result: The test indicates that all cylinders are OK.
Contact the Dealer Solutions Network (DSN).
12. Check the Aftertreatment System for Oil or Fuel
A. Remove excess oil or fuel from the piping with a clean cloth.
B. Remove the Clean Emissions Module
Diagnostic codes
ECM Flash file
Glow plugs
Coolant temperature
Cooling system
Fuel quality
Valve lash
Low compression (cylinder pressure)
Electronic unit injectors
Individual malfunctioning cylinder
Aftertreatment system contains oil or fuelRecommended Actions
Diagnostic Codes
Note: The procedures have been listed in order of probability. Complete the procedures in order.
Table 1
Troubleshooting Test Steps Values Results
1. Diagnostic Codes
A. Establish communication between the electronic service tool and the Electronic Control Module (ECM). Refer to Troubleshooting, "Electronic Service Tools", if necessary.
B. Download the Histograms before performing any troubleshooting or clearing any diagnostic codes.
Note: The downloaded information will be required by the Dealer Solutions Network (DSN) if troubleshooting assistance is needed.
C. Determine if a code is active or logged.
Diagnostic codes
Result: A code is active or logged.
Repair: Troubleshoot any active codes before continuing with this procedure.
Result: A code is not active or logged.
Proceed to Test Step 2.
2. ECM Flash File
A. Verify that the latest flash file is installed in the ECM.
Flash file
Result: The latest flash file is not installed.
Repair: Install the latest flash file. Refer to Troubleshooting, "ECM Software - Install" for the correct procedure. Verify that the repair eliminates the fault.
Result: The latest flash file is installed.
Proceed to Test Step 3.
3. Glow Plugs
Note: Faulty glow plugs will only affect the production of white smoke when the ambient temperature is below 5° C (41° F).
A. Check operation of glow plugs. Verify that the glow plugs are operating correctly. Refer to Troubleshooting, "Glow Plug Starting Aid - Test".
Glow plugs
Result: The glow plugs are not operating correctly.
Repair: Make the necessary repairs. Verify that the repair corrected the fault.
Result: The glow plugs are operating correctly.
Proceed to Test Step 4.
4. Coolant Temperature
A. Check that the water temperature regulator is operating correctly. Refer to Systems Operation, Testing and Adjusting, "Water Temperature Regulator - Test".
Coolant temperature
Result: The water temperature regulator is not operating correctly.
Repair: Replace the water temperature regulator. Verify that the repair corrected the fault.
Result: The water temperature regulator is operating correctly.
Proceed to Test Step 5.
5. Cooling System
A. Check for an internal coolant leak into the cylinder and/or the exhaust. Refer to Systems Operation, Testing and Adjusting, "Cooling System".
Internal coolant leak
Result: There is an internal coolant leak.
Repair: Make the necessary repairs. Verify that the repair eliminated the fault.
Result: There is not an internal coolant leak.
Proceed to Test Step 6.
6. Fuel Quality
A. Check the fuel quality. Refer to Systems Operation, Testing and Adjusting, "Fuel Quality - Test".
B. Refer to Operation and Maintenance Manual for information on the proper characteristics of the fuel for the engine.
Fuel
Result: The fuel quality is not OK.
Repair: Drain the fuel system and replace the fuel filters. Refer to the Operation and Maintenance Manual, "Fuel System Primary Filter (Water Separator) Element - Replace" and Operation and Maintenance Manual, "Fuel System Filter - Replace".
Fill the fuel system with fuel that meets the standard in the Operation and Maintenance Manual, "Fluid Recommendations".
Prime the fuel system. Refer to the Operation and Maintenance Manual, "Fuel System - Prime".
Proceed to Test Step 12.
Result: The fuel quality is OK.
Proceed to Test Step 7.
7. Valve Lash
Note: The valve lash can affect the performance of the engine.
A. Check the valve lash.
Valve lash
Result: The valve lash is not set correctly.
Repair: Check the valve lash. Refer to Systems Operation, Testing and Adjusting, "Engine Valve Lash - Inspect" for the correct procedure.
Proceed to Test Step 11.
Result: The valve lash is correct.
Proceed to Test Step 8.
8. Low Compression (Cylinder Pressure)
A. Perform a compression test. Refer to Systems Operation, Testing and Adjusting, "Compression - Test".
Cylinder compression
Result: The results of the compression test are outside the specifications.
Repair: Investigate the cause and rectify any faults.
Note: Possible causes of low compression are shown in the following list:
Loose glow plugs
Faulty piston
Faulty piston rings
Worn cylinder bores
Worn valves
Faulty cylinder head gasket
Damaged cylinder head
Proceed to Test Step 12.
Result: The results of the compression test are OK.
Proceed to Test Step 9.
9. Electronic Unit Injectors
A. Use the electronic service tool to perform the automatic "Cylinder Cutout Test".
Note: If the compression test that was performed in Test Step 8 was satisfactory, the "Cylinder Cutout Test" will identify any faulty injectors.
Electronic Unit Injectors
Result: A faulty injector is indicated.
Repair: Remove any faulty electronic unit injectors. Refer to Disassembly and Assembly, "Electronic Unit Injector - Remove".
Install new electronic unit injectors. Refer to Disassembly and Assembly, "Electronic Unit Injector - Install".
Repeat the automatic "Cylinder Cutout Test". If the fault is still apparent, remove the replacement electronic unit injector and install the original electronic unit injector. Refer to Disassembly and Assembly, "Electronic Unit Injector - Remove" and Disassembly and Assembly, "Electronic Unit Injector - Install".
Proceed to Test Step 12.
Result: All injectors are OK.
Proceed to Test Step 10.
10. Clean the Fuel System
A. Following the instructions on the bottle, add Cat Fuel System Cleaner (343-6210) to the fuel tank.
Electronic Unit Injectors
Result: Performance should be restored within 2-3 hours.
Return the unit to service, the fuel system will be cleaned during operation.
Note: The engine should be run in a manner to protect the hardware - at idle or low speed and load.
Result: Performance is not restored within 2-3 hours.
Proceed to Test Step 11.
11. Individual Malfunctioning Cylinders
A. With the engine speed at a fast idle, use the electronic service tool to perform the manual "Cylinder Cutout Test".
As each cylinder is cut out, listen for a change in the sound from the engine. When a cylinder is cut out, there should be a noticeable change in the sound of the engine.
If a change in the sound of the engine is not noted, the isolated cylinder is not operating under normal conditions. If the isolation of a cylinder results in a change in the sound that is less noticeable, the cylinder may be operating below normal performance.
Cylinders
Result: The test indicates a faulty cylinder.
Repair: Investigate the cause of the fault on any cylinder that is not operating. Investigate the cause of the fault on any cylinder that is operating below normal performance.
Proceed to Test Step 12.
Result: The test indicates that all cylinders are OK.
Contact the Dealer Solutions Network (DSN).
12. Check the Aftertreatment System for Oil or Fuel
A. Remove excess oil or fuel from the piping with a clean cloth.
B. Remove the Clean Emissions Module
Parts valve Honda:
12372-879-000
12372-879-000 VALVE, BREATHER (Honda Code 0452151).
BF2AM SA, BF2AM SAB, BF2AW LA, BF2AW SA, BF2AW SAB, BF5A1 LA, BF5A1 SA, BF5A2 LA, BF5A2 SA, BF5A3 LA, BF5A3 SA, BF5A4 LA, BF5A4 SA, BF5A5 LA, BF5A5 SA, BF5A6 LA, BF5A6 SA, BF5AK0 LA, BF5AK0 SA, BF5AK2 LA, BF5AK2 SA, BF5AK3 LA, BF5AK3 SA, BF5AM LA, BF
14711-ZV1-000
14711-ZV1-000 VALVE, IN. (Honda Code 1983808).
BF5A1 LA, BF5A1 SA, BF5A2 LA, BF5A2 SA, BF5A3 LA, BF5A3 SA, BF5A4 LA, BF5A4 SA, BF5A5 LA, BF5A5 SA, BF5A6 LA, BF5A6 SA, BF5AK0 LA, BF5AK0 SA, BF5AK2 LA, BF5AK2 SA, BF5AK3 LA, BF5AK3 SA, BF5AM LA, BF5AM SA, BF5AW LA, BF5AW SA, BF5AX LA, BF5AX SA, BF5A
14721-ZV1-000
14721-ZV1-000 VALVE, EX. (Honda Code 1983816).
BF5A1 LA, BF5A1 SA, BF5A2 LA, BF5A2 SA, BF5A3 LA, BF5A3 SA, BF5A4 LA, BF5A4 SA, BF5A5 LA, BF5A5 SA, BF5A6 LA, BF5A6 SA, BF5AK0 LA, BF5AK0 SA, BF5AK2 LA, BF5AK2 SA, BF5AK3 LA, BF5AK3 SA, BF5AM LA, BF5AM SA, BF5AW LA, BF5AW SA, BF5AX LA, BF5AX SA, BF5A
36135-ZV1-003
17665-ZV5-000
17665-ZV5-000 VALVE, IN. (Honda Code 3702289).
BF115A1 LA, BF115A1 LCA, BF115A1 XA, BF115A1 XCA, BF115A2 LA, BF115A2 LCA, BF115A2 XA, BF115A2 XCA, BF115A3 LA, BF115A3 LCA, BF115A3 XA, BF115A3 XCA, BF115A4 LA, BF115A4 LCA, BF115A4 XA, BF115A4 XCA, BF115A5 LA, BF115A5 LCA, BF115A5 XA, BF115A5 XCA,
15473-ZA0-000
15473-ZA0-000 VALVE, CHECK (Honda Code 1313204).
BF5A1 LA, BF5A1 SA, BF5A2 LA, BF5A2 SA, BF5A3 LA, BF5A3 SA, BF5A4 LA, BF5A4 SA, BF5A5 LA, BF5A5 SA, BF5A6 LA, BF5A6 SA, BF5AK0 LA, BF5AK0 SA, BF5AK2 LA, BF5AK2 SA, BF5AK3 LA, BF5AK3 SA, BF5AM LA, BF5AM SA, BF5AW LA, BF5AW SA, BF5AX LA, BF5AX SA, BF5A
14721-881-000
14721-881-000 VALVE, EX. (Honda Code 0497388).
BF8A3 LA, BF8A3 SA, BF8A4 LA, BF8A4 SA, BF8A5 LA, BF8A5 SA, BF8A6 LA, BF8A6 SA, BF8AK0 LA, BF8AK0 SA, BF8AM LA, BF8AM SA, BF8AM XA, BF8AW LA, BF8AW SA, BF8AW XA, BF8AX LA, BF8AX SA, BF8AX XA, BF8AY LA, BF8AY SA, BF8AY XA
15473-881-000
15473-881-000 VALVE, CHECK (Honda Code 0497487).
BF15A1 LA, BF15A1 LAS, BF15A1 SA, BF15A1 SAS, BF15A1 XAS, BF15A2 LA, BF15A2 LAS, BF15A2 SA, BF15A2 SAS, BF15A2 XAS, BF15AM LA, BF15AM LAS, BF15AM SA, BF15AM SAS, BF15AM XAS, BF15AW LA, BF15AW LAS, BF15AW SA, BF15AW SAS, BF15AW XAS, BF15AX LA, BF15AX