Question about 2003 Cadillac CTS
03 Cadillac CTS with car idlling and i turn on the ac, car vibrates. turn off ac it is fine.the rpms do not pickup any when the ac is turned on.
Something is not telling the computer to step up idle and is probably an ac pressure sensor. A scan tool will give you that info.
Posted on Jun 17, 2009
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Posted on Jan 02, 2017
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