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Honda Fit/Jazz - Spark Plug Inspection - L15A5 (IN model)

Online Honda Fit/Jazz 2002-2005 Workshop repair manual used by professionals.

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Snip from the Manual


Spark Plug Inspection - L15A5 (IN model)

L15A5 engine (IN model)


1.Inspect the electrodes and ceramic insulator.

  • Burned or worn electrodes may be caused by:
    • Advanced ignition timing
    • Loose spark plug
    • Plug heat range too hot
    • Insufficient cooling

  • Fouled plug may be caused by:
    • Retarded ignition timing
    • Oil in combustion chamber
    • Incorrect spark plug gap
    • Plug heat range too cold
    • Excessive idling/low speed running
    • Clogged air cleaner element
    • Deteriorated ignition coils

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2.Check the electrode gap (A). If the gap is over the standard, adjust the gap with suitable gapping tool.

Electrode GapStandard (New):1.0-1.1 mm (0.039-0.043 in.)

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3.Replace the plug at the specified interval, or if the center electrode is rounded (A). Use only the spark plugs as listed.

Spark PlugsNGK:ZFR6K-11DENSO:KJ20DR-M11

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4.Apply a small quantity of anti-seize compound to the plug threads, and screw the plugs into the cylinder head finger-tight. Then torque them to 18 N·m (1.8 kgf·m, 13 lbf·ft).

gap (A).


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