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code for jeep liberty


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Guest
Anonymous Poster

May 2, 2009, 2:56 PM

Post #1 of 6 (4102 views)
code for jeep liberty Sign In

2006 jeep liberty, 3.7engine, 87,000miles

check engine light went but now is off.

just pulled code p2098 can anyone tell me what this is.



thanks john


Sidom
Veteran / Moderator
Sidom profile image

May 2, 2009, 5:30 PM

Post #2 of 6 (4097 views)
Re: code for jeep liberty Sign In

In a nutshell that is a rear fuel trim lean code.......

That is a 2 trip fault code (meaning the vehicle has to be driven twice under the corrrect conditions to set)

Three passing trips will turn the light off by itself but code will be stored........


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 3, 2009, 3:39 AM

Post #3 of 6 (4092 views)
Re: code for jeep liberty Sign In

I had a Chrysler vehicle not long ago with that code that drove me crazy. The first think to look at is the downstream O/2 sensor itself. If the sensor is not the problem, then the exhaust system has to be examined very closely. Chrysler has an internal memo about cracks in the catalytic converter that causes this code. They tend to split right along the seam weld but you have to look very closely and possible pressurize the exhaust system to find it.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Guest
Anonymous Poster

May 3, 2009, 5:04 AM

Post #4 of 6 (4086 views)
Re: code for jeep liberty Sign In

thanks for the replies, where would the downstream o2 sensor be located. also now that the check engine light went off could this have been just a hiccup, or is there a problem.

thanks again guys


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 3, 2009, 5:14 AM

Post #5 of 6 (4083 views)
Re: code for jeep liberty Sign In

There are no such things as hiccups in computer systems. The problem occurred at one time and will likely occur again.

The sensor in question here is marked #4 in the pic.







~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Guest
Anonymous Poster

May 3, 2009, 7:23 AM

Post #6 of 6 (4078 views)
Re: code for jeep liberty Sign In

thanks for the very detailed responses
greatly appreciated.....john






 
 
 






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