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  1. Faulty o2 sensor under 30000 miles

    Hey guys. I haven't seen anyone else post about an o2 sensor issue and thought it was strange that this happened: Car has only got 28000 miles on it all stock aside from a Titan Protune and I usually stay in the torque band from 3k ->5k. I noticed the power started lagging lately and figured it...
  2. Titan protune stopped working? 4 SES codes

    Hey guys. Interested to know if anyone has had an issue like mine here: Usually when I take my car into service at the dealer I remove the protune then re-install when I get the car back. This time around after install the car has no power. I called the dealer and asked if there was any update...


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