LS 460 AWD V8-4.6L (1UR-FSE) (2009)
Knock Sensor: Service and Repair
Removal
1UR-FSE ENGINE CONTROL SYSTEM: KNOCK SENSOR: REMOVAL
REMOVAL
1. REMOVE INTAKE MANIFOLD
(a) Remove the intake manifold See: Engine, Cooling and Exhaust/Engine/Intake Manifold/Service and Repair/Removal.
2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Injector/Service and
Repair/Fuel Injector (for Direct Injection)/Removal
3. REMOVE NO. 2 ENGINE COVER SUB-ASSEMBLY See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Injector/Service and
Repair/Fuel Injector (for Direct Injection)/Removal
4. REMOVE NO. 2 ENGINE COVER SUB-ASSEMBLY LH See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Injector/Service
and Repair/Fuel Injector (for Direct Injection)/Removal
5. REMOVE NO. 4 FUEL PIPE SUB-ASSEMBLY See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Injector/Service and
Repair/Fuel Injector (for Direct Injection)/Removal
6. REMOVE SEPARATOR CASE
(a) Disconnect the fuel pressure sensor connector.
(b) Remove the 4 bolts and separator case.
7. REMOVE KNOCK SENSOR
(a) Disconnect the 4 knock sensor connectors.
(b) Remove the 4 bolts and 4 knock sensors.