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Q:

Emission light keeps coming on. on 2006 Ford F-250 Super Duty

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
Emissions light came on, EGR Value failure diagnosed, replaced and cleaned out along with intake which was very dirty but light continues to come on after a few miles.
(1) Answer
Was it DIAGNOSED and repaired by a shop? Bring it back for warranty! IF you paid for diagnosis and was told that those repairs WOULD fix it , then they possibly misdiagnosed it , or just something goofy happened , like a loose connection/vacuum line. See if it's even the same code.