Question

1997 Chevrolet Silverado 5.0L Vortex with engine code P0172 and P0175 codes, what is the meaning of the codes?

Answer 1

P0172 and P0175 on a 5.0 check the fuel pressure regulator, pull the vacuum hose out if fuel comes out your solution is a new fuel pressure regulator.if thats not it check charging system

Answer 2

P0172 CHEVROLET - Fuel Trim System Rich Bank 1
Read more: https://www.autocodes.com/p0172_chevrolet.html

P0175 CHEVROLET - Fuel Trim System Rich Bank 2
Read more: https://www.autocodes.com/p0175_chevrolet.html