Spark Plug Inspection
Spark plug condition is indicative of engine operation. The spark plug firing end condition should be read after the engine has been warmed up and the vehicle has been driven at higher speeds. Immediately check the spark plug for correct color.
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Remove the left side panel and hood.
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Remove the spark plug cap.
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Using the spark plug wrench provided in the tool kit, rotate the spark plug counter-clockwise to remove it.
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Reverse the procedure for spark plug installation. Torque to specification.
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Reinstall the spark plug cap. Verify an “audible” click is heard when installing the plug cap.