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2003 caddy CTS 3.2 rough idle, AC on
Posted to Technical Discussion Forum on 4/6/2007 1 Reply

This caddy idles perfectly smooth, except for when the compressor is on. When the compressor cycles off, the idle is smooth. Long term fuel trims are 0 for both banks and short term fuel trims toggle +2 to -2 and there are 0 misfires in the solus scan data.

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