2006 Honda P0442: What It Means & Is It Safe to Drive?

P0442 on the 2006 Honda: 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 2006 Honda

  • 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 2006 Honda, repairs for P0442 typically fall between $15 and $300, depending on the root cause and labor rates in your area.

Known issues on Honda

Honda P0442 commonly results from a damaged gas cap or a leaking fuel filler neck. On higher-mileage Accord and CR-V models, the EVAP purge solenoid can develop small leaks that trigger this code.

Most commonly affected models

Accord 2003–2012Civic 2006–2015CR-V 2002–2011

Is it safe to keep driving your 2006 Honda 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 Honda

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