tC L4-2.4L (2AZ-FE) (2005)
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Spark Plug: Testing and Inspection
INSPECT SPARK PLUG
a. Check the appearance.
1. Check the spark plug for any damage on its thread and insulator. If there is any damage, replace the spark plug.
b. Check the electrode gap.
Standard: 1.0 to 1.1 mm (0.039 to 0.043 in.) for new spark plug
Maximum: 1.3 mm (0.051 in.) for used spark plug.
If the result is greater than maximum, replace the spark plug.
