what is Throttle body and what does it cost to repair throttle issue on 2007 GMC Yukon Denali

the engine light just came on...

Asked by for the 2007 GMC Yukon Denali
3 answers 2 comments
have it scan tested for codes .the throttle body is the part that looks like a caburator and sits on top of the intake manifold
thank you for your response, i will definitely have it checked...
ck codes 1st and get proper diag they can be costly. iv seen some to approx 800.00 parts and labor
Thank you for your response, I will definitely have it checked...
I just had mine replaced at Ceritifed GM, labor and part included was $611.73 minus $50 coupon i used on the website. So it end up costing me $561.73.