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Toyota
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2011
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Tundra Base, 4.6 M, RWD
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Repair and Diagnosis
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Engine Performance
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Ignition System
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Ignition System (1GR-FE) (Service Specifications)
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1GR-FE Ignition
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Service Data
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Service Data
Service Data
SPARK PLUG
Recommended spark plug
DENSO made
SK20HR11
Electrode gap for a new spark plug
1.0 to 1.1 mm (0.0394 to 0.0433 in.)
Maximum electrode gap for a used spark plug
1.3 mm (0.0512 in.)