The PCM does not go into closed loop until the O2 sensors reach 500 or 600 degrees. One of those two. If your's arent getting that hot, that's your problem.
The PCM does not go into closed loop until the O2 sensors reach 500 or 600 degrees. One of those two. If your's arent getting that hot, that's your problem.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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