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  • Jeep Wrangler TJ
  • TJ General Discussion

What controls idle speed on 2004 4.0 automatic?

  • Thread starter Thread starter 1TrackJack
  • Start date Start date Apr 8, 2022
1TrackJack

1TrackJack

Member
Original poster
Joined
Dec 31, 2019
Messages
65
Location
Clearwater, Fl.
  • Apr 8, 2022
  • #1
What controls the idle rpm on 2004 TJR 4.0 automatic? It seems to vary a couple hundred rpm from time to time and I can feel the difference at stop lights.
 

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Jeep Wrangler PCM and module repair and replacement
  • Jeep Wrangler TJ
  • TJ General Discussion

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