P1442: Evaporative Emission Control System Leak Detected

MediumPowertrainEVAP System

What does P1442 mean?

P1442 is a diagnostic trouble code indicating "Evaporative Emission Control System Leak Detected". This code relates to your vehicle's evap system and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.

Common causes

  • Faulty evap system component
  • Wiring or connector issue in the related circuit
  • Failed sensor providing incorrect readings
  • Software/calibration issue requiring ECU update
  • Related component causing secondary fault

What should you do?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.

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Code P1442 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

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Related codes

P1441Evaporative Emission Control (EVAP) System Leak
P1443Evaporative Emission Control System Control Valve
P1440Purge Valve Stuck Open
P1444Purge Flow Sensor Circuit Low Input