Cadillac STS Problems

Replace spark plugs every 100,000 miles, no plug wires on Cadillac STS

Problem Description and Possible Solution

Our technicians tell us that the recommended spark plug life is 100k miles. The ignition coils are mounted directly on top of the spark plugs, as a result there are not longer any spark plug wires to fail.
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Cadillac STS Vehicles With This Problem

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Brake problem? Or maybe a faulty head gasket cylinder?
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