Ignition Coil, Ignition Wires, and Spark Plugs May Fail on Audi A4
Problem overview
An ignition coil or spark plug may fail unexpectedly resulting in an engine misfire and possible illumination of the Check Engine Light. Vehicles equipped with spark plug wires may also develop a misfire caused by a failed spark plug wire.
73 people reported this problem
19 commentsAudi A4 vehicles with this problem
Average mileage: 101,740 miles
(35,000 - 197,000)
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