Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 600 (SYMPTOM TROUBLESHOOTING [ENGINE CONTROL SYSTEM L3 WITH TC))ENGINE CONTROL SYSTEM OPERATION INSPECTIONVARIABLE VALVE TIMING CONTROL SYSTEM OPERATION INSPECTIONEVAP SYSTEM MALFUNCTION JUDGMENT
2008 Mazda 6 s Sport, 4D Hatchback, Standard
EVAP system malfunction judgment
2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION EVAP system malfunction judgment
WARNING: This page is about a different car, the 2007 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
- The PCM calculates the stored air pump load current value and sends the results to the M-MDS as DTCs:
DTC CONDITION
| DTC No. | Condition |
|---|---|
| P0442 | EVAP control system leak detected (small leak) |
| P0446 | Change over valve (COV) (EVAP system leak detection pump) stuck closed |
| P0455 | EVAP control system leak detected (gross leak) |
| P0456 | EVAP control system leak detected (very small leak) |
| P2401 | EVAP system leak detection pump motor circuit low |
| P2402 | EVAP system leak detection pump motor circuit high |
| P2404 | EVAP system leak detection pump sensor circuit malfunction |
| P2405 | EVAP system leak detection pump sensor circuit low input |
| P2407 | EVAP system leak detection pump sensor circuit intermittent |
RENDER: 1.0x
NO RELATED
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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.