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 MANUALSTOYOTA2007HIGHLANDER 4WD L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTUNE-UP AND ENGINE PERFORMANCE CHECKSSPARK PLUGAPPLICATION AND ID
2007 Toyota Highlander 4WD L4-2.4L (2AZ-FE)
Spark Plug: Application and ID
2007 Toyota Highlander 4WD L4-2.4L (2AZ-FE)SECTION Application and ID
SPARK PLUG TYPE:
DENSO SK2OR11
NGK IFR6A11
Maximum electrode gap for used spark plug 1.3 mm (0.051 in.)
Correct electrode gap for new spark plug 1.0 to 1.1 mm (0.039 to 0.043 in.)
Torque 19 N.m (194 kgf.cm, 14 ft.lbf)
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.