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rfonseca 01-25-2010 05:33 PM

P0133 and P0153 DTC codes
Dear Jeepers:

I own a 2008 Grand Cherokee Overland, 5.7 Hemi, with 18750 miles. Lately the DT Codes P0133 and P0153 has caused the MIL light to constantly light up, about every 25 miles. I reset it every time

The Dealer has already changed both Oxygen sensors, and they are telling me that the problem is with the software of the PCM, however to this date and time no "new" version of the software is available.

Have any of you Jeepers have experience such problem and how did they solve it for you?

blackpepper 01-25-2010 07:36 PM

Re: P0133 and P0153 DTC codes
Tell them to check the full exhaust system for leaks. I think it's called a "purge test" of the exhaust but I could be wrong. I had a leak/crack in my cats and they needed to be replaced but not before countless o2 sensors and them making me return my intake back to stock. Don't leave until they agree to do this test.

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