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Help with Check engine codes

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Old 08-20-2009, 01:13 AM
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Default Help with Check engine codes

Hello,
I'm not sure where to post this since this is my first so I apologize if this is in the wrong place.
I just picked up a 97 Limited edition with the 4.0 engine. It has 117k
I got a check engine light that gave me 2 codes: P1765 and P1391.
I know what the codes mean, but I dont know how to get to them.
It seems to run ok and shifts fine. Its a little rough but nothing bad.
Can anyone give me a hand as to what I need to do to fix these?
I need to get it inspected in 2 weeks.
Thank you.
Old 08-20-2009, 07:13 AM
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https://www.cherokeeforum.com/showth...ht=error+codes
Old 08-20-2009, 07:28 AM
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And this covers the '84-86 V6 models as well. Computer codes
Old 08-20-2009, 08:51 AM
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Thank you.
Now where is the sensor and relay located so I ca nchange them?
thanks again
Old 08-20-2009, 09:22 AM
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Originally Posted by 97limited
Thank you.
Now where is the sensor and relay located so I ca nchange them?
thanks again
What year is your XJ (Cherokee)?
Old 08-20-2009, 08:40 PM
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Its a 97 Grand Cherokee Limited with the 4.0 engine and quadratrac.
Thanks
Old 08-20-2009, 09:59 PM
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The CPS on the 4.0L is on the transmission bellhousing on the drivers side.
Some relays are in the fuse box, others are in the PDC in the engine compartment.
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