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low idle

  1. Problems & DIY Maintenance
    Hello, I am new here. I have a 2002 Subaru Outback Limited that I've had for 6 years. The engine retired at 314,000 miles so we swapped in an EJ21 from a 2003 Outback. The problem we are having is that it will idle perfectly in park, but in drive it is idling low at stop lights. It also is rough...
  2. Gen 3: 2005-2009
    Check engine light came on a week ago. Stalling when coming to a stop and idles very low. Mechanic reset the code and gave me some instructions and said the car would have to relearn to idle. Have tried turning car on without starting engine and waiting 2 minutes, start engine and let car warm...