IS 250C V6-2.5L (4GR-FSE) (2011)
Spark Plug: Service and Repair
Removal
4GR-FSE ENGINE CONTROL: IGNITION COIL AND SPARK PLUG: REMOVAL
1. REMOVE INTAKE AIR SURGE TANK ASSEMBLY
(a) Remove the intake air surge tank See: Engine, Cooling and Exhaust/Engine/Intake Manifold/Service and Repair/Removal.
2. REMOVE IGNITION COIL ASSEMBLY
(a) Disconnect the 6 ignition coil connectors.
(b) Remove the 6 bolts and the 6 ignition coil assemblies.
3. REMOVE SPARK PLUG
(a) Using a spark plug wrench, remove the 6 spark plugs.