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Cadillac Seville STS Problems

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

Problem Description and Possible Solution

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.

(15 people reported this problem)

Cadillac Seville STS Vehicles With This Problem

RepairPal Fair Price Estimate
$85-$417
Detailed Estimates
RepairPal Verified
Average mileage: 116,000 (84,500–167,000)
4 model years affected: 2000, 2001, 2002, 2003
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Brake problem? Or maybe a faulty head gasket cylinder?
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