Codes › GENERIC › DTC-OBD2 › P0174
GENERIC • DTC-OBD2 • P0174 Category: FuelSystem Too Lean (Bank 2)
Air-fuel mixture too lean on bank 2.
The engine is running lean on bank 2 according to the ECU. This may be caused by air leaks, fuel delivery problems, or sensor inaccuracies. Engine hesitation or misfires may occur.
Related DTC-OBD2 codes
- DTC-OBD2 P062B — Internal Control Module Fuel Injector Control
- DTC-OBD2 P2188 — System Too Rich at Idle (Bank 1)
- DTC-OBD2 P2187 — System Too Lean at Idle (Bank 1)
- DTC-OBD2 P0268 — Injector Circuit High (Cylinder 3)
- DTC-OBD2 P0267 — Injector Circuit Low (Cylinder 3)
- DTC-OBD2 P0262 — Injector Circuit High (Cylinder 1)
Frequently Asked Questions
What does DTC-OBD2 code P0174 mean?
DTC-OBD2 code P0174 is a factory equipment code used by GENERIC to describe a specific vehicle configuration or component.
Where can I find DTC-OBD2 code P0174 on my car?
This code is typically found in the vehicle’s factory build data, service documentation, or can be confirmed by decoding the VIN.
Does DTC-OBD2 code P0174 affect maintenance or parts?
Yes. Factory codes determine correct parts selection, software compatibility, and service procedures for your exact vehicle configuration.
How can I verify DTC-OBD2 code P0174 for my vehicle?
The most reliable way is to order a complete Vehicle Data Sheet decoded directly from your vehicle’s VIN.