Question

2006 Chevrolet Cobalt with engine codes P0121 and P2176. How much to repair?

Answer 1

The Throttle Body ranges from $100 to $250, and the installation takes about 1-2 hours of labor. If you have the tools and knowledge, you could do it yourself.

P0121 Chevrolet Code - Throttle Position Sensor 1 Performance
Read more: https://www.autocodes.com/p0121_chevrolet.html

P2176 Chevrolet Code - Minimum Throttle Position Not Learned
Read more: https://www.autocodes.com/p2176_chevrolet.html

Answer 2

Depends what the exact problem is, it could be a dirty throttle body that can be cleaned and do an idle air relearn.

or the throttle body maybe be bad or ECU maybe have to be updated.