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HOMESERVICE MANUALSMAZDA1999626 ES, 2.5 D, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 47 (ENGINE CONTROLS - SELF-DIAGNOSTICS)DIAGNOSTIC TESTSDTC P0442: EVAP MONITORDETECTION CONDITION
1999 Mazda 626 ES, 2.5 D, Standard

Detection Condition

1999 Mazda 626 ES, 2.5 D, StandardSECTION Detection Condition
WARNING: This page is about a different car, the 2002 Mazda B4000, 2002 Mazda B3000, and 2002 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0442 indicates a leak has been detected as small as 0.04" (1 mm) in EVAP canister purge valve solenoid system. There is less than 2.5 in. H2O (0.625 kPa) bleed-up over 15 seconds at 75 percent fuel fill. Bleed-up and evaluation time vary as a function of fuel fill level. Vapor generation limit is more than 2.5 in. H2O (0.625 kPa) over 120 seconds.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.