Chevrolet Silverado 1500 · Diagnostic Trouble Code
P0174 — System Too Lean (Bank 2)
Quick overview of P0174 on your Chevrolet Silverado 1500. Read the full diagnosis guide, then find the repair guides for your vehicle below.
Repair guides that fix P0174
Chevrolet Silverado 1500
2019-2024 Chevrolet Silverado — MAF Sensor Replacement
Cleaning and replacing the MAF sensor.
Chevrolet Silverado 1500
2019-2024 Chevrolet Silverado — Fuel Pump Replacement
How to test fuel delivery when pressure is suspect.
Chevrolet Silverado 1500
2019-2024 Chevrolet Silverado — PCV Valve Replacement
A stuck PCV valve is a classic lean-code cause.
Chevrolet Silverado 1500
2019-2024 Chevrolet Silverado 1500 - Engine Air Filter Replacement
A restricted air filter can skew the air-fuel mixture.
General diagnostic information, not a factory service procedure. If you're unsure, have a qualified technician confirm the diagnosis before buying parts.