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CTCARTECH, ASE Certified Technician
Category: Car
Satisfied Customers: 4976
Experience:  Ford Factory Trained, Kia Factory Trained, ASE Certified
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what does PO442 code in my cadillac 2003 CTS mean

Customer Question

what does   PO442 code in my cadillac 2003 CTS mean
Submitted: 8 years ago.
Category: Car
Expert:  CTCARTECH replied 8 years ago.
Hello and Thank you for choosing Just Answer.

The p0442 code you have has to do with a Small Evaportive Emissions leak. The leak may be coming from a gas cap leaking, canister valves not closing properly or a broken hose coming of the canister.