2007 Land Rover P0442: What It Means & Is It Safe to Drive?

P0442 on the 2007 Land Rover: 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.

PowertrainLow urgency

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 2007 Land Rover

  • 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 2007 Land Rover, repairs for P0442 typically fall between $15 and $300, depending on the root cause and labor rates in your area.

Known issues on Land Rover

Land Rover P0442 can result from a gas cap issue or cracked EVAP hoses. Given the off-road use, inspect for physical hose damage from rocks or debris along the underbody before smoke testing.

Most commonly affected models

Range Rover Sport 2006–2013Discovery 2005–2016

Is it safe to keep driving your 2007 Land Rover 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 Land Rover

Looking for a different code, or want the full guide without the year filter?