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P0456 - Evaporative Emissions System Leak Detected (very small leak)
Had similar issues with my 2019 Ram, read this thread, swapped the evap purge valve and cleared the code. Check engine light went away. The P0456 code was still there immediately after part swap, but I’ll give it some time to see if the computer takes care of it. Thanks for the help all!- 1mikeman1
- Post #18
- Forum: 5th Gen General Discussion