0
The engine codes P0171 and P0174 for a 1997 Ford Explorer indicate that the engine is running too lean on both bank one and bank two. This typically points to issues such as a vacuum leak, a dirty or faulty mass airflow sensor, or fuel delivery problems like a weak fuel pump or clogged fuel filter. It’s important to diagnose and address these issues promptly to avoid potential engine damage and ensure optimal performance. Checking for any intake leaks and inspecting the fuel system components are good starting points for troubleshooting.
What else can I help you with?
What do codes p0171 and p0174 mean?
p0171 andpo174 mean that you're car is running lean
Fault codes 0171 and 0174 Ford Explorer sport?
P0171-system too lean bank 1 and P0174-system too lean bank 2
What does computer codes p0171 and p0174 mean for 2002 explorer sport trac?
It means your vehicle is running lean you will need to replace the intake manifold gasket, as it is plastic and the seal wears out.
04 GMC Sierra Codes p0171 and p0174?
Trouble code P0171 means: Fuel Trim System Lean (Bank 1) Trouble code P0174 means: Fuel Trim System Lean (Bank 2)
What are diagnostic codes P0171 and P0174 for a 2001 Cadillac?
Trouble code P0171 means: Fuel Trim System Lean (Bank 1) Trouble code P0174 means: Fuel Trim System Lean (Bank 2)
Trouble codes P0171 and P0174 on 1996 Ford windstar 3.8?
Trouble code P0171 means: Fuel System Too Lean (Cylinder Bank 1) Trouble code P0174 means: Fuel System Too Lean (Cylinder Bank 2)
What does the codes P0171 and P0174 Mean when your engine light is on on my 2003 Ford Windstar?
Trouble code P0171 means: Fuel System Too Lean (Cylinder Bank 1) Trouble code P0174 means: Fuel System Too Lean (Cylinder Bank 2) These 2 codes are common indicators of a well-known failure on the 1999-2003 Windstars. Be sure to review the additional information in the "Related Questions" below...
What causes codes P0171 and P0174 in a 2003 MAZDA MPV 3.0L engine?
Codes P0171 and P0174 indicate that the engine is running lean on both the bank 1 and bank 2 sides, respectively. Common causes include a vacuum leak, such as a cracked or disconnected hose, a dirty or failing mass air flow (MAF) sensor, or issues with the fuel system, such as a clogged fuel filter or weak fuel pump. Additionally, problems with the oxygen sensors can also lead to these codes. It's important to diagnose the specific cause to ensure proper repairs are made.
What should you look for when you get error code P0171 and P0174 in your 2002 ford explorer?
Error codes P0171 and P0174 indicate that the engine is running too lean on both bank 1 and bank 2, suggesting an imbalance in the air-fuel mixture. Common causes include vacuum leaks, faulty mass air flow (MAF) sensors, or issues with fuel delivery such as clogged fuel injectors or a weak fuel pump. Inspect vacuum hoses for leaks, check the MAF sensor for proper operation, and ensure fuel pressure is within specifications. Addressing these areas can help resolve the lean condition and clear the error codes.
1999 ford 3.8 recent tuneup still runs rough what can it be?
Read through the "Related Question" that discusses a common problem with the Windstars and rough idle - check engine codes P0171 & P0174. That might be part of your problem too...
Check engine light comes on for your 2001 ford ranger XLT. When checked with diagnostic tool comes up with codes p171p174?
P0171 - system too lean ( Bank 1 ) - passenger side of engine P0174 - system too lean ( Bank 2 ) - drivers side of engine
How do you troubleshoot p1700 p0500 p0171 and p0174 obdII fault codes in a 2000 cadillac catera?
To troubleshoot the P1700, P0500, P0171, and P0174 OBD-II fault codes on a 2000 Cadillac Catera, start by addressing the P0500 code, which indicates a vehicle speed sensor issue; check the sensor and its connections. Next, the P0171 and P0174 codes suggest a lean condition, so inspect the intake system for vacuum leaks, check the mass airflow sensor, and examine fuel delivery components like the fuel pump and filter. For the P1700 code, related to transmission issues, verify the transmission fluid level and condition, and scan for any additional transmission-related codes. Finally, clear the codes and run the vehicle to see if they reappear, confirming the effectiveness of your repairs.
