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.
The average cost for a Audi A4 Ignition Coil Replacement repair is between $276 and $413.
The average cost for a Audi A4 Spark Plug Wire Replacement repair is between $147 and $211.
The average cost for a Audi A4 Spark Plug Replacement repair is between $180 and $301.
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