P0174 Code? Here’s How to Fix It – Quickly and Easily
Jan 10, 2025 · When your car’s onboard computer stores a P0174 code, it’s indicating a problem with the fuel trim system on bank 2 of the engine. This code signals a lean condition, meaning …
P0174 Code Meaning, Causes, Symptoms & Tech Notes
The P0174 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0174 is set in along with the P0171 code, it is highly likely that …
P0174 Code: Causes, Symptoms (& How to Fix it) - Mechanical …
Whenever the powertrain control module (PCM) detects a lean condition in cylinder bank 2, it triggers the P0174 code. This article mainly explains the P0174 code symptoms, its causes, …
P0174: System Too Lean (Bank 2) - Edmunds
Oct 29, 2024 · The P0174 error code tells you that the vehicle's engine control module (ECM) has detected that the fuel-to-air ratio on bank No. 2 of the engine is too lean. (Bank No. 2 is the …
P0174 Code: Air-Fuel Ratio Too Lean (Symptoms, Causes, and Fixes)
Sep 12, 2025 · This code points to too much air in the engine, causing your car to run lean as opposed to running rich. In this article, we’ll explore frequent causes of a P0174 code, how …
How To Fix P0174? | System too Lean (Bank 2) - OBD-II Code ...
Jan 9, 2025 · With less fuel delivered than required, the engine runs on a lean air-fuel mixture, which commonly triggers code P0174. Fix: Try using a fuel injector cleaner as a first step.
P0174 Code Explained: 6 Symptoms, Causes & Pro Fixes to Save ...
This guide covers the P0174 code’s meaning, symptoms, causes, and pro-level diagnostics to fix it fast—potentially saving you $500-$1,500. What Is a P0174 Code?