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 MANAGEMENTIGNITION SYSTEMSPARK PLUGSERVICE AND REPAIRINSTALLATION
2012 Lexus CT 200h L4-1.8L (2ZR-FXE) Hybrid
Installation
2012 Lexus CT 200h L4-1.8L (2ZR-FXE) HybridSECTION Installation
2ZR-FXE ENGINE CONTROL: IGNITION COIL AND SPARK PLUG: INSTALLATION
1. INSTALL SPARK PLUG
(a) Using a 14 mm spark plug wrench, install the 4 spark plugs.
Torque : 20 Nm (204 kgf-cm, 15 ft-lbf)
2. INSTALL IGNITION COIL ASSEMBLY
(a) Install the 4 ignition coils with the 4 bolts.
Torque : 10 Nm (102 kgf-cm, 7 ft-lbf)
NOTICE:
When installing each ignition coil, do not damage the plug cap on the engine head cover opening or the upper edge of the spark plug tube.
(b) Connect the 4 ignition coil connectors.
3. INSTALL NO. 2 CYLINDER HEAD COVER Installation
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.