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 MANUALSTOYOTA2009YARIS L4-1.5L (1NZ-FE)REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSIGNITION SYSTEMSPARK PLUG
2009 Toyota Yaris L4-1.5L (1NZ-FE)
Spark Plug
2009 Toyota Yaris L4-1.5L (1NZ-FE)SECTION Spark Plug
SPARK PLUG GAP
Maximum electrode gap for used spark plug 1.3 mm (0.051 in.)
Electrode gap for new spark plug 1.0 to 1.1 mm (0.039 to 0.043 in.)
SPARK PLUG TORQUE
Torque 18 Nm (184 kgf-cm, 13 ft-lbf)
Maximum electrode gap for used spark plug 1.3 mm (0.051 in.)
Electrode gap for new spark plug 1.0 to 1.1 mm (0.039 to 0.043 in.)
SPARK PLUG TORQUE
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.