What does this mean: P1174 Manufacturer control fuel air metering for a 2008 Montana?

Question

What does this mean: P1174 Manufacturer control fuel air metering for a 2008 Pontiac Montana? How do I fix it?

Answer 1

This means there is an issue with the cylinder balance and fuel trim on bank 1.

Several things can cause this problem, possible issues with the fuel injectors, there could be a probem with the O2 sensor as well.

Answer 2

P1174 Pontiac Code - Fuel Trim Cylinder Balance Bank 1
Read more: https://www.autocodes.com/p1174_pontiac.html