The most damaging flaw in these plugs is the low-quality center electrode. NGK electrodes are iridium. The dupes, though, are so crappy that they actually melt during an engine’s normal ...

An engine misfire is when one or more cylinders doesn’t produce power, and there are several possible causes, from a fouled spark plug to a clogged fuel injector or faulty oxygen sensor.

Spark plugs, which screw into the top of an engine’s cylinders, create the electric spark required to ignite the compressed air-fuel mixture in gas-powered engines. The right type of plug and ...

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Cleaning spark plugs can be a quick fix to restore efficiency without immediate replacement. how to clean spark plugs ...

which might experience engine misfire, excessive oil burning and premature spark plug fouling issues. As part of the settlement, Honda will extend the powertrain warranty on these models for eight ...