2005 Toyota Corolla P0171. I checked the vacuume hoses and they appear to be good. Oxygen sensor in bank 1 has detected a lean condition (too much oxygen in the exhaust).
If the p0171 is combined with the p0174 code, it's highly likely that the problem is caused by an intake leak. You could have a vacuum leak a bad map. Air filter was replaced 3 weeks ago and o2 sensors.
Web p0171 indicates that your toyota corolla is either getting too much air or not enough fuel. Web most common cause of this code is vacuum leak in your intake system.sure there are other possible problems too. Web 2004 toyota corolla le 1.8l, 4 cylinder engine vin r.
Web my wife's 2005 corolla is getting a p0171 code. Check engine light code p0171 activated on my 2001 toyota corolla. I checked the vacuume hoses and they appear to be good.
Web oftentimes, a p0171 means that your toyota is having trouble with a dirty or faulty mass airflow (maf) sensor, or a vacuum leak downstream of the maf sensor (perhaps in the. If the p0171 is combined with the p0174 code, it's highly likely that the problem is caused by an intake leak. The second most common cause of this p0171 on toyota corolla’s would be an air/vacuum leak.
Web with all due respect, your link is ignoring all the other conditions which could cause p0171 and p0174 not to mention you dug up a 4 year old discussion. You could have a vacuum leak a bad map. P0171 is lean condition bank one.
Web code p0171 toyota tech notes. Oxygen sensor in bank 1 has detected a lean condition (too much oxygen in the exhaust).
