Hello from iowa

Discussion in 'Generation 4 - General Discusson' started by hawkfandan, Nov 30, 2020.

  1. hawkfandan

    hawkfandan New Member

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    Location:
    Iowa
    It's me again. Have a 2011 ford taurus sho. I've replaced plugs and wires, couple ignition coils and all injectors.

    A little over a week ago I was getting a P0128 code. I replaced the thermostat this summer (was overheating but it needed new cooling fan). I relearned the values, I went to have it scanned today and I did nothing over a week ago and the code did NOT reappear. Was it a fluke?

    When I brought it back to Oreillys today the only codes that showed up were p0420 and p0430. My mechanic did a back pressure test on the cats 6 months ago and said they weren't bad.

    I have little mechanical aptitude but it seems to be pointing me to bad 02 sensors?
     
    Last edited: Nov 30, 2020

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