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The PO171 and PO181 codes refer to diagnostic trouble codes (DTCs) related to vehicle emissions and fuel system performance. Specifically, PO171 indicates a "System Too Lean (Bank 1)," meaning the engine is receiving too much air or not enough fuel, while PO181 relates to "Fuel Composition Sensor Range/Performance Problem," indicating issues with the fuel composition sensor's readings. Both codes can trigger the check engine light and may require further diagnosis to determine the underlying issues, such as vacuum leaks, fuel delivery problems, or sensor malfunctions.
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What does po171 mean for 1999 ford f150?
system to lean bank one 02 sensor ?
What is diagnostic code P0171 mean for a 2000 Chevy Malibu?
po171--- system to lean (bank # 1)
What does the check engine code PO171 mean?
P0171 System too Lean (Bank 1)
What does po171 code mean on 1999 Ford contour 4-cylinder?
Code P0171 means System to lean (bank 1)
What is the trouble code for a bad fuel pump?
code po171
What does PO171 fuel trim bank 1 malfunction mean for 2003 Ford Explorer Sport Trac?
Could be as simple as a vacuum leak on bank 1.
What does code po171 mean for 2001 grand am?
P0171 = System too lean (Bank 1) Look for a vacuum leak before you buy any parts.
What does code po171 mean on a zx2?
Fuel mixture is too lean. Could be anything from a vacuum leak, dirty MAF sensor, bad O2 sensor, etc...
What does OBD2 code po171 mean for sunfire?
Bank 1 system to lean. I would suspect a vacuum leak. Check under the hood for a disconnected or cracked vacuum line.
Obd 11 code descriptions 2001 ford escape po171 po174?
PO171 = system adaptive fuel too lean (bank 1) PO174 = system adaptive fuel too lean (bank 2)
2002 subaru impresa is reading code po171 how do you FIX it thanks mar?
burn the car
1999 Toyota rav 4 2wd 2.0 error code po171 and p1135 does this error code mean that this sensor is bad if not what else could it be?
Trouble code P0171 means: Fuel System Too Lean - Bank 1 Trouble code P1135 means: Air-Fuel Sensor Heater Circuit Response Malfunction Replace the sensor and both code with go away There are 3 step to repair po171 error If you got po171 error then there is a 94% chance that your computer has registry problems. To repair po171 error you need to follow the steps below: * Step 1 - Download a Perfect Optimizer,install this error repair tool. * Step 2 - Click the Repair All Button.It will scan you PC for Free. * Step 3 - Then click the Repair All Button again and your done! It is very easy to repair po171 error. Here are the URL of Perfect Optimizer: http://www.fixerror2009.com/tidpp-po171_error-zz0005
