P0442: EVAP System Leak Detected (Small Leak)
RepairSmith
APRIL 25, 2024
A Failed Emissions Test or Smoke Test One of the main indicators of the P0442 code is a failed emission test or a smoke test. A smoke test uses a smoke machine to find hard-to-detect fuel vapor leaks. So, it’s best to contact a mechanic if your vehicle fails an emissions test.
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