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Cadillac DTS Misfire Due to Failed Ignition Coil

 
Cadillac DTS Problem
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Model Years Affected: 2006, 2007, 2008

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An ignition coil may fail causing one of the cylinders to misfire. Each of the two banks of cylinders has its own coil assembly. If one ignition coil fails the coil assembly for the corresponding cylinder bank must be replaced.

  •  Rookie

    misfire found in one cyclider...replaced 2 ignition coils so far, spark plugs twice, and all oil gaskets in the engine...Over $5K into fixes and it's having the same issue again.

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