Honda CR-V · Diagnostic Trouble Code
P0174 — System Too Lean (Bank 2)
Quick overview of P0174 on your Honda CR-V. Read the full diagnosis guide, then find the repair guides for your vehicle below.
Repair guides that fix P0174
Honda CR-V
2017-2022 Honda CR-V — MAF Sensor Replacement
Cleaning and replacing the MAF sensor.
Honda CR-V
2017-2022 Honda CR-V — Fuel Pump Replacement
How to test fuel delivery when pressure is suspect.
Honda CR-V
2017-2022 Honda CR-V — PCV Valve Replacement
A stuck PCV valve is a classic lean-code cause.
Honda CR-V
2023-2026 Honda CR-V — 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.