When the subaru outback triggers code p0442 (evap system leak detected (small leak)), it typically points to an issue in the powertrain system

Below you'll find the most common causes, symptoms, and repair.

The p0442 code means that the control module has detected a small leak in the evaporative emission (evap)

Loose fuel tank filler cap is the most common cause that triggers the.

If your car's check engine light just came on, and a scan pulls up the p0442 engine code, you're likely dealing with a small leak in the evaporative emission control system (evap).

P0442 means your evap system has a small fuel vapor leak — most commonly a worn gas cap seal, a faulty purge valve, or a cracked vapor hose

This code appears when connecting the vehicle to an obdii scanner and pertains to the emissions system

While it’s unlikely to cause a breakdown, it can be bothersome and may result in a.

This video breaks down 7 proven diy methods to fix the p0442 small evap system leak error—quickly and affordably

Learn how to locate common leaks, test simple components, and fix them.

Discover common causes, symptoms, and fixes for this evap system small leak

Learn how to diagnose and resolve p0442 for popular us, uk, and au car models

When you have an evap leak in your vehicle that meets the specs the ecm sets for the p0442 code, you’ll have a check engine light (cel) illuminate on your instrument cluster.