Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2011FJ CRUISER 2WD V6-4.0L (1GR-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMKNOCK SENSORSERVICE AND REPAIRREMOVAL
2011 Toyota FJ Cruiser 2WD V6-4.0L (1GR-FE)
Removal
2011 Toyota FJ Cruiser 2WD V6-4.0L (1GR-FE)SECTION Removal
1GR-FE ENGINE CONTROL SYSTEM: KNOCK SENSOR: REMOVAL
1. REMOVE CYLINDER HEAD SUB-ASSEMBLY (for Bank 1)
(a) Remove the cylinder head Removal.
2. REMOVE NO. 1 WATER OUTLET PIPE
(a) Disconnect the 4 wire harness clamps.
(b) Remove the 2 nuts, bolt and No. 1 water outlet pipe.
3. REMOVE KNOCK SENSOR
(a) Disconnect the 2 sensor connectors.
(b) Remove the 2 bolts and 2 sensors.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.