how to fix the codes

Asked by Jan 03, 2016 at 06:34 AM about the 2000 Ford Expedition XLT 4WD

Question type: Maintenance & Repair

I need to find out what these codes are an
what I can do to fix the problem codes are
po135, po141, po155, po161

2 Answers

93,835

Here is the list of codes. http://www.obd- codes.com/trouble_codes/ford/

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49,825

Looking at these codes, you have a problem with the 02 sensors on each front side of the exhaust. First check for a blown fuse, then check the connections of the 02 sensors as if water had gotten into the connections it would throw a code. Another cause is a lean or rich condition is being detected. If your problem persists, it says replacing the the 02 sensors on each side front sensors.

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