NHTSA Investigation on VW Ignition Coils
Ignition coils produce a high-voltage current that fires the spark plugs. If a coil fails, like in the case of many VW engines, the spark plug won't fire and the engine will lose power. The National Highway Traffic Safety Administration has opened a preliminary evaluation on failing ignition coils in Volkswagen engines.
According to the Wheels Blog at NY Times, the investigation is focusing on almost 200,000 2002-2003 VW Passats, depending on the results this could open into a full-sledged defect investigation:
"The agency says the investigation is looking at an estimated 199,000 Passats from the 2002-3 model years after receiving 16 reports that faulty ignition coils caused either fires or a loss of power on 4- and 6-cylinder engines."
In 2003, Volkswagen had a serious problem with ignition coils on many of its most popular models.
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VW Ignition Coils Failing? It's Stall the Rage.
Ignition coils produce a high-voltage current that fires the spark plugs. But VW coils often fail causing the engine to suddenly lose power. This can lead to shaking or hesitation and leave the driver in a vulnerable position.