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  1. K

    P0411 trouble code

    With an OBDII reader. It just plugged into the connector under the dash and it gave the trouble code, plus a digital readout stating what the code meant. If you mean how do you determine what the codes mean, just do a google search of Mustang OBDII codes. You'll find a lot of links to sites with...
  2. K

    P0411 trouble code

    I didn't do anything to it. No upgrades or modding. Just drive it back and forth to work. I am assuming that at 60,000+ miles that something has outlived it's useful life and needs replacement. Or maybe when I had it in for routine oil change and service they did something, but usually I am...
  3. K

    P0411 trouble code

    Hi, Newbie here. My service engine light had come on in my 2000 Mustang, and I found the code was P0411, Secondary Air Injection System. I was wondering if anyone had experinced a similar problem and what was the faulty condition was. It may help to narrow down my search. Thank you.