Operation CHARM
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Toyota Truck
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2003
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4 Runner 4WD V8-4.7L (2UZ-FE)
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Spark Plug
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Specifications
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Gap
Gap
Gap
Correct Spark Plug Gap (New Plug)
1.1 mm (0.043 in.)
Maximum Spark Plug Gap (Used Plug)
1.3 mm (0.051 in)