Cadillac Seville SLS Problem Report

Cadillac Seville SLS Misfire and/or Check Engine Light Due To Failed Ignition Coil

(8 reports)

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.

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