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HOMESERVICE MANUALSHONDA2001ODYSSEY LXREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMEVAP SYSTEMDTC TROUBLESHOOTINGDTC P1457 -'99-00 MODELS: EVAP CONTROL SYSTEM LEAKAGE (EVAP CANISTER SYSTEM)NOTES
2001 Honda Odyssey LX

DTC P1457 -'99-00 Models: EVAP Control System Leakage (EVAP canister system): Notes

2001 Honda Odyssey LXSECTION Notes
NOTE: The fuel system is designed to allow specified maximum vacuum and pressure conditions. Do not deviate from the vacuum and pressure tests as indicated in these procedures. Excessive pressure/vacuum would damage the EVAP components or cause eventual fuel tank system failure.

Special Tools Required 

Vacuum pump/gauge, 0-30 in.Hg A973X-041-XXXXX

NOTE: If DTC P0461 is stored at the same time as DTC P1457, troubleshoot P0461 first, then recheck for DTC P1457.

This is a two trip code; once cleared, it cannot be reproduced in one trip. Also, certain specific driving and ambient conditions must occur before the PCM will complete the system checks. Additional test drives may still not meet the specific conditions needed to reproduce the code.

Follow these troubleshooting procedures carefully to ensure the integrity of the system and to confirm the cause of the problem or code.

NOTE: Fresh fuel has a high volatility that creates greater pressure/vacuum. The optimum condition for testing is fresh fuel, and there must be less than a full tank of fuel. If possible, to assist in leak detection, add one gallon of fresh fuel to the tank (as long as it will not fill the tank), just before starting these procedures.
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.