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 MANUALSLEXUS2012CT 200H L4-1.8L (2ZR-FXE) HYBRIDREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSOXYGEN SENSORSERVICE AND REPAIRAIR FUEL RATIO SENSORREMOVAL
2012 Lexus CT 200h L4-1.8L (2ZR-FXE) Hybrid
Removal
2012 Lexus CT 200h L4-1.8L (2ZR-FXE) HybridSECTION Removal
2ZR-FXE ENGINE CONTROL: AIR FUEL RATIO SENSOR: REMOVAL
1. REMOVE WINDSHIELD WIPER MOTOR AND LINK
Removal
2. REMOVE NO. 1 HEATER AIR DUCT SPLASH SHIELD SEAL Removal
3. REMOVE NO. 2 HEATER AIR DUCT SPLASH SHIELD SEAL Removal
4. REMOVE COWL BODY MOUNTING REINFORCEMENT LH Removal
5. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY Removal
6. REMOVE NO. 2 CYLINDER HEAD COVER Removal
7. REMOVE AIR FUEL RATIO SENSOR NO.2
(a) Disconnect the air fuel ratio sensor connector and clamp.
(b) Using SST, remove the air fuel ratio sensor.
SST : 09224-00010
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.