An ignition coil takes voltage from the battery and multiplies it to create a spark at the spark plugs, which in turn ignites the engine. Cars have been using some form of the coil ignition system for ...

Just like spark plugs, ignition coils can wear down and become faulty over time. There are many common signs that an ignition coil is getting bad, but one obvious sign is an engine misfire, typically ...

DETROIT (Reuters) - General Motors Co conducted an additional 16 tests on cars with the defective ignition switch linked to at least 13 deaths to further support its position that the vehicles are ...

John Paul, AAA Northeast's Car Doctor, answers a question from a reader who ran into trouble after installing a new ignition switch. The Car Doctor answers a question from a reader who ran into ...

(Reuters) - The chief executive of Delphi Automotive , the auto supplier that supplied the defective switch to General Motors Co that has been linked to at least 13 deaths, said on Thursday that the ...