Accord L4-2.2L SOHC VTEC (1994)
Spark Plug: Testing and Inspection
Spark Plug Inspection
1. Inspect the electrodes and ceramic insulator for burned or worn electrodes, which may be caused by:
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Advanced ignition timing
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Loose spark plug
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Plug heat range too low
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Insufficient cooling
Fouled plug may be caused by:
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Retarded ignition timing
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Oil in combustion chamber
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Incorrect spark plug gap
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Plug heat range too high
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Excessive idling/low speed running
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Clogged air cleaner element
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Deteriorated ignition coil or ignition wires
Checking Spark Plug Electrode Gap
2. Adjust the gap with a suitable gapping tool.
Example Of Worn Plug
3. Replace the plug if it is fouled or worn.
4. Apply a small quantity of anti-seize compound to the plug threads.
Recommended Spark Plugs
