what is code p0442 please

Asked by Mar 19, 2017 at 11:37 PM about the 2015 GMC Terrain SLT1

Question type: Maintenance & Repair

This has something to do with emissions but do not know what specifically

2 Answers

115,755

EVAP system issues --- https://www.obd-codes.com/p0442

2 people found this helpful.
80,345

Best to have a smoke test done on the EVAP system to find the leak. Also, as part of the diagnostics, have the gas cap tested. The gas cap can trigger an EVAP system trouble code. HTH. -Jim

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