a/f sensor

  1. voltech444
    Thread

    O2 Sensor Troubles

    So got a 2005 Prius with 244k, had a MIL come on, scanned car, got a P0037, upstream A/F B1S1 (wideband O2) sensor. Since the mileage is pretty...
    Thread by: voltech444, Apr 14, 2018, 3 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  2. jgurley
    Thread

    A/F Control test

    I've got a DTC P0138, and have already replaced the downstream sensor (aftermarket, I admit) Using Techstream, when I run the "A/F Control" test,...
    Thread by: jgurley, May 20, 2017, 29 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
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