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 MANUALSLEXUS2006RX 400H AWD V6-3.3L (3MZ-FE) HYBRIDREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMSPARK PLUGAPPLICATION AND ID
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) Hybrid
Spark Plug: Application and ID
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION Application and ID
MAKE
DENSO SK20R11
NGK IFR6A11
GAP
Maximum gap for used plugs 1.3 mm (0.051 in.)
Correct gap for new plugs 1.0 to 1.1 mm (0.039 to 0.043 in.)
TORQUE 25 N.m (250 kgf.cm, 18 ft.Ibf)
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.