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Purge flow sensor
Code P0441: When the purge duty cycle comes up, the Purge Flow PID (GPS) remains at 0.00gps. I have tested the purge soloenoid, it operates as directed and has vacuum with the engine running. Anyone know how "flow" is measured and where the "sensor" for it is.... Login to read more. 
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| Engine | 5.7 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2003 Dodge Ram 1500 5.7L
| Engine | 5.7 L |
| Trans | 4-speed Automatic (Electronic) |
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