Trouble code P0174 means: Fuel System Too Lean (Cylinder Bank 2)
Trouble code P0171 means: Fuel System Too Lean (Cylinder Bank 1) Trouble code P0174 means: Fuel System Too Lean (Cylinder Bank 2)
Trouble code P0174 means: System too lean (Bank 2)
Trouble code P0174 means:System too lean (Bank 2)
Trouble code P0174 means: System too lean (Bank 2)
Trouble code P0174 means: System too lean (Bank 2)
Trouble code P0171 means:System too lean (Bank 1)
P0174 - SYSTEM TOO LEAN ( Bank 2 - drivers side of engine )
Trouble code P0174 means: Fuel System Too Lean (Cylinder Bank 2)
Trouble code P0171 means:System too lean (Bank 1)
You probably have a vacuum leak. Check under the hood for a disconnected vacuum hose.
That code is manufacturer specific...I would need to know the vehicle information. 2002 ford windstar v6 3.8l
The 2002 Ford Windstar ECU can be found on the firewall in the engine compartment. The ECU will be on the drivers side of the firewall.