Thread: 2004 Cadillac CTS 3.6L
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Old 07-23-2010, 11:28 AM   #2
Rimmer
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Join Date: Apr 2007
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Re: 2004 Cadillac CTS 3.6L
Can't help with the electronics.

I run the manufacturer recommended 87. No problems...... get great mileage & good performance. See no point in using premium fuel as recommended by some.
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