system to lean bank one 02 sensor ?
po171--- system to lean (bank # 1)
P0171 System too Lean (Bank 1)
Code P0171 means System to lean (bank 1)
code po171
Could be as simple as a vacuum leak on bank 1.
P0171 = System too lean (Bank 1) Look for a vacuum leak before you buy any parts.
Fuel mixture is too lean. Could be anything from a vacuum leak, dirty MAF sensor, bad O2 sensor, etc...
Bank 1 system to lean. I would suspect a vacuum leak. Check under the hood for a disconnected or cracked vacuum line.
PO171 = system adaptive fuel too lean (bank 1) PO174 = system adaptive fuel too lean (bank 2)
burn the car
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