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2005
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Civic L4-1.7L CNG
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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
Spark Plug: Specifications
Spark Plug
Gap
0.7-0.8 mm (0.028-0.031 in.)
Service Limit
1.0 mm
Spark Plug
Torque
18 Nm (1.8 kgfm, 13 lb. ft.)