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 MANUALSTOYOTA20104 RUNNER 2WD L4-2.7L (2TR-FE)REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSSPARK PLUG
2010 Toyota 4 Runner 2WD L4-2.7L (2TR-FE)
Spark Plug
2010 Toyota 4 Runner 2WD L4-2.7L (2TR-FE)SECTION Spark Plug
Electrode Gap
Maximum Electrode Gap For Used Spark Plug 1.3 mm (0.0512 in.)
Electrode Gap For New Spark Plug 1.0 to 1.1 mm (0.0394 to 0.0433 in.)
SPARK PLUG TORQUE
Using a 16 mm spark plug wrench, install the 4 spark plugs.
Torque 18 Nm (184 kgf-cm, 13 ft-lbf)
Maximum Electrode Gap For Used Spark Plug 1.3 mm (0.0512 in.)
Electrode Gap For New Spark Plug 1.0 to 1.1 mm (0.0394 to 0.0433 in.)
SPARK PLUG TORQUE
Using a 16 mm spark plug wrench, install the 4 spark plugs.
Torque 18 Nm (184 kgf-cm, 13 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.