2016 Nissan P0442: What It Means & Is It Safe to Drive?

P0442 on the 2016 Nissan: Evaporative Emission System Leak Detected (Small Leak). Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.

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What this code means

The EVAP system has detected a small leak. Often caused by a loose or faulty gas cap or a small hose leak.

Common causes on the 2016 Nissan

  • Loose, damaged, or wrong gas cap
  • Cracked or disconnected EVAP hose
  • Faulty purge or vent valve
  • Leaking charcoal canister

Symptoms

  • Check Engine Light
  • Often no driveability issues

Typical fixes

  • Tighten or replace gas cap
  • Smoke test EVAP system
  • Replace damaged hoses or valves

Repair cost range

For a 2016 Nissan, repairs for P0442 typically fall between $15 and $300, depending on the root cause and labor rates in your area.

Known issues on Nissan

Nissan P0442 commonly results from a worn gas cap or a leaking EVAP canister vent control valve. On QR25DE-powered models, the EVAP hose routing under the hood is prone to cracking with age.

Most commonly affected models

Altima 2002–2012Sentra 2007–2012Frontier 2001–2012

Is it safe to keep driving your 2016 Nissan with this code?

For driving-safety guidance—how far you can go, when to tow, and what's urgent—see these checklists:

See all codes for your Nissan

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