2007 CADILLAC CTS
82,000 MILES
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During acceleration car seems studder rpms bounce up and down however idles ok and runs steady at highway speeds a plug wire and ignition coil relaced 10 k ago
Mar 17, 2013 at 8:47 PM
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RANDICO
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This is a ignition coil or plug wire even a wrong sparkplug application, You place a load on the vehicle as you accelerate, which in turn places a load on sparkplug KV requirements, This is ignition related
Mar 17, 2013 at 9:10 PM