Question

1996 GMC Suburban 350, p0719, p0171, and p0174. Please can u please sent me pictures of where on the motor or the truck where this is, so I know what I'm looking for, thank you!

Answer 1

P0719 GMC - Brake Switch Circuit Low Input
Read more: https://www.autocodes.com/p0719_gmc.html

P0171 GMC - Fuel Trim System Lean Bank 1
Read more: https://www.autocodes.com/p0171_gmc.html

P0174 GMC - Fuel Trim System Lean Bank 2
Read more: https://www.autocodes.com/p0174_gmc.html