has code p1131,p1151.p0171,p0174 please help me. It at idle sounds like it has a miss
Ford Q&AAsk Your Question
2003 Ford Taurus Question: check engine light on
Answer #1dandd May 20, 2011, 13:30Master
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 #2Visitor, August 04, 2011, 15:34
replace sparkplug wires