Question about 2006 Jeep Wrangler

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2004 or 05 Jeep Wrangler dtc P2096 (Post catalyst fuel trim bank 1 to lean). It set the mil lamp and then reset it self. Pulled the code with a scanner and found 1 of 2 to be P2096 and 2of 2 to be P2096 Pd. The description of the dtc os coming from my scanner it self. I believe this truck was detailed and then set the code. Possibly some of the cemical that was sprayed on the engine got int the air system and set the code. Cause is truly unkown at this time. I reset the code and have had no issues since. Maybe this is a fluke. But if not could become shoulder time on the highway for my son and his newborn. Not a good thing anyway. Can anyone help?

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  • Jeep Master
  • 3,854 Answers

Here is more information about P2096
P2096-DOWN STREAM FUEL TRIM LEAN BANK 1

WHEN MONITORED 
With the engine running in closed loop mode, the ambient/battery temperature above (-7°C) 20°F , altitude below 8500 ft and fuel level greater than 15%.

SET CONDITION 
If the PCM multiplies short term compensation by long term adaptive and a certain percentage is exceeded for two trips, a freeze frame is stored, the MIL illuminates and a trouble code is stored. Two Trip Fault. Three good trips to turn off the MIL.

Here are some possible casuses:
Exhaust leak
Engine mechanical problem
02 sensor
02 signal circut
02 return circut
Fuel contamination

Good luck and hope this helps. 

Posted on Jun 21, 2009

  • cparry1
    cparry1 Feb 10, 2013

    It would probably help if I spoke that language...this means about the same to me as \frac{-b + \sqrt {\Delta}}{2a} \quad\text{and}\quad \frac{-b - \sqrt {\Delta}}{2a} does

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Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

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zjlimited_2006.jpg

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