P0466low severityPowertrain
EVAP Purge Flow Sensor Circuit Range/Performance
on 2008 Dodge Viper 8.4L V10 · RWD
What this code means
The EVAP purge flow sensor reading is outside its expected range. The signal is present but implausible compared to operating conditions.
Symptoms
- Check engine light on
- Erratic purge operation
- Failed emissions test
Common causes
- Faulty purge flow sensor
- Restricted or leaking EVAP hose
- Dirty or contaminated sensor
- Wiring resistance issues
Diagnostic steps
- Compare sensor data to expected range
- Inspect EVAP hoses for leaks or restriction
- Check wiring for high resistance
- Replace sensor if reading implausible
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