How much does it cost on a 2004 Chevrolet Suburban with P0171 and P0174 engine codes?

Question

How much does it cost to run an engine diagnostic on a 2004 Chevrolet Suburban with P0171 and P0174 engine codes?

Answer 1

With codes P0171 and P0174, the first thing to look at is intake leak.

The diagnostic time and fee will depend on many factors and how good the tech is. it might take someone 15min and someone else an hour.

Answer 2

P0171 CHEVROLET Code - Fuel Trim System Lean Bank 1
Read more: https://www.autocodes.com/p0171_chevrolet.html

P0174 CHEVROLET Code - Fuel Trim System Lean Bank 2
Read more: https://www.autocodes.com/p0174_chevrolet.html