Evap Code P0455?

2005 CHEVROLET IMPALA
167,736 MILES • AUTOMATIC
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FKICR
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Evap Code P0455?
Apr 3, 2025 at 4:34 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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CARADIODOC
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P0455 - Evaporative Emission Control System Leak Detected (gross leak)
Apr 3, 2025 at 11:05 AM
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STRAILER
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Yep, I have seen the vacuum line from the throttle body to the purge solenoid cause this issue. Please go over this video which shows the job being done on a similar car.

https://www.youtube.com/watch?v=iH92vcUWJzs

Let us know what you find.
Apr 4, 2025 at 9:41 AM