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Throttle body and MAF



I have a 2011 4.8 Sierra. Does my truck have to get reprogrammed after disconnecting, removing, and cleaning my throttle body? How often is the maf and throttle body Cleaning recommended?

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Not very often. The newer models don't get as carboned up as the older models did. I've got an AMT PCV catch can so I don't introduce much oil into my intake.


I cleaned it last week for the 1st time in around two years and it wasn't bad at all.

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