Is there a way to get the code with out taking it in?
If the light is still on.. turn the jeep off and without turning it back on quickly turn the key on and off 3 times ( to the on position so that everything else is running except the engine) and you should see a code pop up where the kms are.
If you had the equipment to do so you wouldnt be asking so simplest answer is no, but you dont have to go to the dealership most auto shops have computers that can read the same codes, it should be free to stop in and ask them to give you the code and possibly turn off or reset the light.
Some of the larger auto parts will do a quick scan for free (they want to sell you parts). Some codes are best to ignore (or put aside) codes such as o2 sensor often are generated when the mixture itself is too far out of range. with a code such as that, I would pay more attention to one dealing with fuel / air management first, then clear codes, run and see if O2 code stays gone. What I'm telling you is you need some experience when dealing with codes or you can spend a lot of $ to get to the right place.
To add to The previous answer...depending on where you live O'reilly's may be called Checker or Kragen Auto as well.
Happy code hunting...hope it's nothing big. :)
Take it to AutoZone, Advance Auto, O'Reily's. They will hook up the scanner and tell you the code for free.
As per your problem,the check engine light comes on due to technical problems in your car.In this case i suggest you to click the link below :----Check Engine Light On car? http://schematicsdiagram.blogspot.com/2011/06/check-engine-light-on-car.html
------------Basically the computer needs to be scanned to retrieve the error codes stored in ECM.In this issue,i suggest you to click this link:----How to Read Codes from Check Engine Light? http://schematicsdiagram.blogspot.com/2011/12/how-to-read-codes-from-check-engine.html----------After scan procedure you will get P4 digit error codes.If suppose you get this error codes,then click the link below,to know more about error codes:----
Check engine light with codes P2195 and P2197?http://howtobyme.blogspot.in/2012/01/check-engine-light-with-codes-p2195-and.html
---------------There are many other reasons to for check engine light coming ON,i suggest you to click this link below and go through its troubleshooting procedure:---------Car jerks while going uphill and Check engine light is ON?http://schematicsdiagram.blogspot.com/2011/12/car-jerks-while-going-uphill-and-check.html
--------One more reason is as follows :----After getting car washed, check engine light is ON and key less entry not working, tried reprogramming. Also car shows fuel pressure?
http://schematicsdiagram.blogspot.com/2011/12/after-getting-car-washedcheck-engine.html
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After replacing throttle body the Check engine light starts blinking?http://technoanswers.blogspot.com/2012/01/after-replacing-throttle-body-check.html
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This will help.Thanks.
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