Fuel trim malfunction, bank 1.
lean bank 1 lean bank 2 fuel trim limits reached
Trouble code P0171 means: Fuel Trim System Lean (Bank 1) Trouble code P0174 means: Fuel Trim System Lean (Bank 2)
Fuel injection system, fuel trim to lean (bank 1)
Trouble code P0171 means: Fuel Trim System Lean (Bank 1) Trouble code P0174 means: Fuel Trim System Lean (Bank 2)
Trouble code P0171 means: Fuel Trim System Lean (Bank 1) Trouble code P0174 means: Fuel Trim System Lean (Bank 2)
Could be as simple as a vacuum leak on bank 1.
A code, PO170, fuel trim malfunction Bank 1 on a 2001 Hyundai Santa Fe means that an oxygen sensor is bad. This oxygen sensor is located on the driver's side of the transmission.
Trouble code P0171 means: Fuel Trim System Lean (Bank 1)
Trouble code P0170 means: Fuel Trim (Bank 1)
Trouble code P0170 means: Fuel Trim (Bank 1)
Trouble code P0171 means: Fuel Trim Lean (Bank 1)