In conducting a spark test, each spark plug wire is disconnected on the engine all at once while the engine is running

The gap size on sparkplugs affects its firing temperature.

In sparkplug testing, if the engine drops speed or starts running rough when one of the sparkplug wire is disconnected, it means that the sparkplug is good and functional

One of the symptoms of a carbon fouled sparkplug condition is the manifestation of a dry sooty deposits of gasoline residues

All double platinum sparkplugs should always have two ground electrodes in its assembly

. A yellowish glaze appearance on a sparkplug, indicating a sudden rise in combustion chamber temperature.

A type of spark plug offers better power, more complete combustion and does not requires gapping.

A kind of test conducted on a spark plug and its high tension wires to determine the high voltage emission quality of the vehicle’s ignition system.

An integral part of gasoline engines that serves as a miniature bolt of lightning to create an explosion inside the combustion chamber

A sparkplug condition that lodges combustion residue deposits between the center and ground electrodes of the sparkplug.