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In your 1996 Oldsmobile aurora the check engine light is on and it surges by itself what could be the problem?
Probably a vacuum leak. Do you have a code P0171 or P0174?
How do you repair codas p0171 and p0174 on a 1999 ford windstar?
You probably have a vacuum leak. Check under the hood for a disconnected vacuum hose.
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
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...
Mitsubishi check engine code p0174?
Trouble code P0174 means: System Too Lean (Bank 2)
What is the check engine code P0171 for a Mazda Protege?
Trouble code P0171 means:System too lean (bank 1)
What is check engine code p0171 on a 1998 Plymouth breeze?
Trouble code P0171 means:System too lean (Bank 1)
What does check engine code P0171 mean for 2002 Mazda protege 5?
Trouble code P0171 means :System too lean (bank 1)
Check engine 174 code?
Trouble code P0174 means:System too lean (Bank 2)
The check engine light comes on my 2002 Kia Optima and diagnostic was ran and the code P0171 came up what does this mean?
P0171 System too Lean (Bank 1)
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.
What does the check engine code PO171 mean?
P0171 System too Lean (Bank 1)
