Newbie here....
05-22-2018, 05:32 AM
#1
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Model: Cherokee (XJ)
Newbie here....
Newbie here. Had a YJ years ago. Was gifted a 2001 Grand Cherokee Laredo (4.0 auto) over a year ago. Ran well. Did some suspension work and parked it for over a year. Just pulled it and and seemed to be running ok then it threw a boatload of codes. I got the numbers but none of it is making a lot of sense if they are related. I'm wondering if mice ate some wires or I might have bad ground/contacts some where. I know what the codes are but not really sure why they all popped up at once. Here is the list. Thanks in advance and looking for some Jeep help.
dlm ny country
abs cluster malfunction ( went away)
P0031
P0743
P0753
P0051
P1765
P1495
P0136
P0443
dlm ny country
abs cluster malfunction ( went away)
P0031
P0743
P0753
P0051
P1765
P1495
P0136
P0443
05-24-2018, 06:22 AM
#4
Beach Bum
Random codes after sitting for a year? I would suspect ground wire faults/corrosion. Attached are PDF files for ground locations.
Last edited by SteveMongr; 05-24-2018 at 06:25 AM.
05-24-2018, 07:00 PM
#5
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Thanks Steve. That is a good start. Will post when resolved. Funny, I haven't had much luck surfing my exact scenario but will keep on chugging along until I get it right.
dlm ny country
dlm ny country
05-27-2018, 10:32 AM
#6
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Model: Cherokee (XJ)
So after some wire connector exercising and some ground cleanup I went ahead and replaced the one 02 Bank 1 sensor 2 (Post cat) sensor that was lighting up. After wrestling to get it out the new 02 sensor didn't change anything. The symptom I'm getting with the car is that it starts up fine and idles smoothly up until about a minute running, then it misses pretty bad. Bad enough where I'm not safe driving it. So if I turn the car off with the rough idle, it'll start up right away and idle fine and do the same thing over again and get a rough idle after about a minute of running. After replacing the 02 sensor, I also got the same five codes.
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