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limp mode

  1. Stock Issues
    Having technical difficulties. 2010 2.0 mz3. Always starting in limp mode. But when I take off negative terminal, put the key in acc position, put the terminal back on, the throttle body clicks on, I start the car, no hesitation, no limp mode. Without doing this procedure it'll always...
  2. Powertrain for 2010-2013
    Would a o2 sensor cause limp mode? Only code is upstream o2 sensor and ecm but ecm is still good, have no throttle response, 2k rpm, need feedback asap?
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