RESET PCM

  • Tiny
  • jpeace
  • 2001 Pontiac Bonneville
  • 6 CYL
  • FWD
  • automatic
  • 149,000 miles

I just replaced the map sensor and was wondering how to reset the pcm to relearn the map sensor. The car still has a rough idle and reverse and initial takeoff

Saturday, April 16th, 2011 AT 4:35 PM

1 Answer

  • Tiny
  • Wrenchtech
  • Expert
  • 19,541 posts

It will eventually adapt itself or you can disconnect the battery for 10 minutes but that will cause it to lose all the radio presets too.

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Saturday, April 16th, 2011 AT 7:24 PM

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