Code reading PO508 on 2007 cadillac cts Problem is Idle Air Control Valve. where is this valve

Asked by GuruLNG19 Apr 23, 2019 at 03:26 PM about the 2007 Cadillac CTS 3.6L RWD

Question type: Maintenance & Repair

Code reading on my 2007 Cadillac CTS is PO508. Supose to mean Idle air
control valve. Where is the valve located

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