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Message: <blockquote data-quote="PoManNox" data-source="post: 26205" data-attributes="member: 8300">The reason I asked is I suspected it was going to be the P050D code.   This is the "rough idle after cold start" code.   Some people on this site are dealing with it.  This code seems to effecting 2024-25 model Equinox, Traverse and clones and GM hasn't come up with a fix yet.  It appears GM added this code to the logic around 2024 on their 4cyl turbo models and it's causing grief for a lot of owners.I'm not sure why they messed with injector #3 for the P050D code, but maybe something solid led them in that direction.</blockquote>