Why does my truck idle too fast, then to slow?

Tiny
GEORGEHERNANDEZ
  • MEMBER
  • 1 POST
Not to sure if u guys resolved your problem I had the same issue and I also changed everything and after about 3 grand spent I one day disconneced my o2 sensor and turned the truck on and i-be-damn truck ran like a champ the only thing is that your check engine light stays on try it and let me know if it works
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Saturday, November 17th, 2012 AT 4:57 AM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
That would tell me you've got a faulty O2 sensor, wiring, or ECM.
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Saturday, November 17th, 2012 AT 2:03 PM

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