IS 250C V6-2.5L (4GR-FSE) (2011)
Knock Sensor: Service and Repair
Removal
4GR-FSE ENGINE CONTROL: KNOCK SENSOR: REMOVAL
CAUTION:
Do not allow fuel to spray when removing the pipe between the high pressure side fuel pump and the fuel injectors. The fuel in the
pipe is highly pressurized.
1. DISCHARGE FUEL SYSTEM PRESSURE See: Fuel Delivery and Air Induction/Fuel Injector/Service and Repair/Removal
2. REMOVE INTAKE MANIFOLD
(a) Remove the intake manifold See: Engine, Cooling and Exhaust/Engine/Intake Manifold/Service and Repair/Removal.
3. DISCONNECT WATER HOSE JOINT See: Fuel Delivery and Air Induction/Fuel Injector/Service and Repair/Removal
4. REMOVE FUEL PRESSURE PULSATION DAMPER ASSEMBLY See: Fuel Delivery and Air Induction/Fuel Pressure Pulsation
Damper/Service and Repair/Removal
5. REMOVE NO. 1 FUEL PIPE See: Fuel Delivery and Air Induction/Fuel Injector/Service and Repair/Removal
6. DISCONNECT NO. 2 FUEL PIPE SUB-ASSEMBLY See: Fuel Delivery and Air Induction/Fuel Pump/Service and Repair/Removal and
Replacement/Fuel Pump (for High Pressure)/Removal
7. REMOVE FUEL PUMP ASSEMBLY See: Fuel Delivery and Air Induction/Fuel Pump/Service and Repair/Removal and Replacement/Fuel
Pump (for High Pressure)/Removal
8. REMOVE NO. 2 FUEL PIPE SUB-ASSEMBLY See: Fuel Delivery and Air Induction/Fuel Injector/Service and Repair/Removal
9. REMOVE NO. 3 FUEL PIPE SUB-ASSEMBLY See: Fuel Delivery and Air Induction/Fuel Injector/Service and Repair/Removal
10. REMOVE NO. 2 FUEL DELIVERY PIPE SUB-ASSEMBLY See: Fuel Delivery and Air Induction/Fuel Injector/Service and Repair/Removal
11. REMOVE NO. 1 FUEL DELIVERY PIPE SUB-ASSEMBLY See: Fuel Delivery and Air Induction/Fuel Injector/Service and Repair/Removal
12. REMOVE KNOCK SENSOR
(a) Disconnect the 2 knock sensor connectors.
(b) Remove the 2 bolts and 2 knock sensors.