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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSLEXUS2009ES 350 V6-3.5L (2GR-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSSENSORS AND SWITCHES - COMPUTERS AND CONTROL SYSTEMSKNOCK SENSORSERVICE AND REPAIRREMOVAL
2009 Lexus ES 350 V6-3.5L (2GR-FE)
Removal
2009 Lexus ES 350 V6-3.5L (2GR-FE)SECTION Removal
2GR-FE ENGINE CONTROL SYSTEM: KNOCK SENSOR:
REMOVAL
1. DISCHARGE FUEL SYSTEM PRESSURE Removal
2. REMOVE ENGINE UNDER COVER LH
3. REMOVE ENGINE UNDER COVER RH
4. DRAIN ENGINE COOLANT Testing and Inspection
5. REMOVE COOL AIR INTAKE DUCT SEAL Removal
6. REMOVE ENGINE ROOM SIDE COVER LH Removal
7. REMOVE ENGINE ROOM SIDE COVER RH Removal
8. REMOVE V-BANK COVER SUB-ASSEMBLY Removal
9. REMOVE FRONT SUSPENSION UPPER CENTER BRACE Removal
10. REMOVE AIR CLEANER INLET ASSEMBLY Removal
11. REMOVE AIR CLEANER CAP SUB-ASSEMBLY Removal
12. REMOVE AIR CLEANER CASE SUB-ASSEMBLY Removal
13. REMOVE NO. 1 AIR CLEANER INLET Removal
14. REMOVE INTAKE AIR SURGE TANK Removal
15. SEPARATE FUEL TUBE SUB-ASSEMBLY Removal
16. REMOVE INTAKE MANIFOLD Removal
17. REMOVE KNOCK CONTROL SENSOR
(a) Disconnect the 2 knock control sensor connectors.
(b) Remove the 2 bolts and 2 knock control 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.