High pressure fuel pump won’t show any fault codes seem to recall and it might still perform at higher revs although I’m not sure if it wouldn’t be a bit more misfirey than sluggish. Wouldn’t harm to check the fuel rail pressure.
High pressure fuel pump won’t show any fault codes seem to recall and it might still perform at higher revs although I’m not sure if it wouldn’t be a bit more misfirey than sluggish. Wouldn’t harm to check the fuel rail pressure.