I am fairly comfortable with English as a second language and have been studying at schools with English as the primary language for the last 9 years. I also have multiple semesters worth of experience TA'ing for CS courses in English (conducting lab sessions, giving short lectures etc.).
I recently took TOEFL and obtained scores around 28-29 for reading, writing, and listening sections.
However, I received a 17 in the speaking section. Since I can normally speak English comfortably in casual and academic settings, I believe this low result was due to the automatic grader interpreting my stutter as a sign of inadequacy.
How much would a low grade in the speaking section of TOEFL affect my overall profile when applying for a CS PhD in the US?
Thanks for any answers in advance.