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No. 2: Failing catalytic converter(s)
Average repair cost: $1,153.49
For the second year in a row, catalytic converter troubles are the second most common issue drivers face.
This is primarily because these parts won't fail unless there is an underlying problem. It represents 6.97% of repairs in 2015, an increase of more than 1% over the prior year. This is the most expensive repair in the top 10 by far.