Fuel Injection Pump Inspection
INSPECT FUEL TEMPERATURE SENSOR
INSPECT INJECTION PUMP DELIVERY VALVE
Fuel Injection Pump -- Inspection |
1. INSPECT FUEL TEMPERATURE SENSOR |
Measure the resistance of the sensor.
- Standard resistance:
Tester Connection
| Condition
| Specified Condition
|
1 (E2) - 2 (THF)
| 20°C (68°F)
| 2.21 to 2.69 kΩ
|
1 (E2) - 2 (THF)
| 80°C (176°F)
| 0.287 to 0.349 kΩ
|
- NOTICE:
- If checking the sensor in water, be careful not to allow water to contact the terminals. After checking, wipe the water off the sensor.
If the result is not as specified, replace the sensor.
2. INSPECT INJECTION PUMP DELIVERY VALVE |
- NOTICE:
- Do not touch the sliding surface of the delivery valves.
Pull up the valve and release it. Check that it sinks smoothly to the valve seat. If the operation is not as specified, replace the valve and valve seat as a set.
- HINT:
- Before using a new valve set, wash off the rust prevention compound with diesel fuel. Then rewash with diesel fuel and perform the above test.