Question about 2006 Ford Fusion
Did you replace the right one ? This code does not necessarily mean the O2 sensor is bad . The code description say O2 heater " CIRCUIT " bank 1 sensor 2 Did you check the wiring , the fuse ?
P0141 - O2 Heater Circuit (Bank 1, Sensor 2) Description: See the description for DTC P0135. Possible Causes: See the possible causes for DTC P0135. Diagnostic Aids: See the diagnostic aids for DTC P0135. Application Key On Engine Off Key On Engine Running Continuous Memory All GO to Pinpoint Test DW . P0135 - O2 Heater Circuit (Bank 1, Sensor 1) Description: During testing the heated oxygen sensor (HO2S) heaters are checked for open and short circuits and excessive current draw. The test fails when the current draw exceeds a calibrated limit or an open or short circuit is detected. Possible Causes:
Damaged HO2S heater. Application Key On Engine Off Key On Engine Running Continuous Memory All GO to Pinpoint Test DW .
Posted on Mar 31, 2015
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Posted on Jan 02, 2017
Bank one is toward the front of the vehicle. Sounds like the heated oxygen sensors have gone bad. The Oxygen Sensors are located in the exhaust pipe and require a special socket to remove and replace.
Posted on Jan 16, 2009
I have codes 172 & 175 (Fuel trim bank 1 & 2, running to rich) So I was told to replace the Mass Air Flow Sensor. Easy install but very expensive ($150). We'll see if the service engine light comes back on.
Posted on Jun 19, 2009
Listen before you spend the money try a simple thing first. At our shop we start with the EGR solenoid, locate it, remove it, make sure that the ports are clear. Carbon build can cause your symptoms
Posted on Dec 15, 2009
SOURCE: 2006 Ford Fusion a/c not working
its inside the hvac box under the dash you may or may not have to romove the hvac unit to change it. circuit high means an open circuit so check connectors and such
Posted on Apr 15, 2010
Tips for a great answer:
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Here is the daignostic procedure for troubleshooting DTC P0141 (click over each image for zoom)...
Hope this helps to solve it.
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