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 REPAIRREMOVAL
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: IGNITION COIL AND SPARK PLUG: REMOVAL
1. REMOVE NO. 2 CYLINDER HEAD COVER Removal
2. REMOVE IGNITION COIL ASSEMBLY
(a) Disconnect the 4 ignition coil connectors.
(b) Remove the 4 bolts and 4 ignition coils.
NOTICE:
When removing each ignition coil, do not damage the plug cap on the engine head cover opening or the upper edge of the spark plug tube.
3. REMOVE SPARK PLUG
(a) Using a 14 mm spark plug wrench, remove the 4 spark plugs.
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.