P0466 - Purge Flow Sensor Sensor Range/Performance
The ECM detected a purge-flow sensor sensor range/performance fault.
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Common Next Steps
Turn the code into the next check.
Use smoke testing when the leak source is not obvious.
Check purge command and sealing before replacing the valve.
Command the vent valve and inspect canister-side blockage or contamination.
Related Inspection
Code Overview
The ECM detected a purge-flow sensor sensor range/performance fault.
Common Causes
- Failed purge flow sensor
- Damaged wiring or connector
- Restriction or leak in the EVAP system
Diagnostic Steps
- Inspect the sensor connector and nearby EVAP lines
- Check live data for a stable purge-flow reading
- Use smoke or flow testing if the EVAP system is suspect
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Next Steps
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