Anybody have familiarity troubleshooting OBD2 code P0238 on a XF Supercharged? I changed out the pulley to the smaller one and several other projects. I haven't seen anywhere else that this causes that code, but it is boost sensor related.

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It’s not quite the same as I had, so it may be unrelated. I had something like turbo boost sensor A out of range and a MAF error (sorry can’t look up exact errors at present)... Mine ended up being clogged air filters. Replacing them got rid of the error. Hopefully yours is similarly simple. All the best.