check engine light on on 2003 Ford Taurus

has code p1131,p1151.p0171,p0174 please help me. It at idle sounds like it has a miss

by in Dayton, OH on May 19, 2011
2 answers
ANSWER by on May 20, 2011
You have codes for 2 oxygen sensors, and 2 codes for an overly lean condition. Best to have a shop really diagnose the cause of these codes by using a live data scan while driving the vehicle. The codes are just the beginning of the process, they only point out a condition that is abnormal, not exactly which part is defective. For example, I have seen a defective Mass Air Flow Sensor cause these codes, yet there is NO code for a bad Mass Air Flow Sensor . So my point is, have a skilled person diagnose the problem that is causing these codes. here are some shops;
ANSWER by on August 04, 2011
replace sparkplug wires
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