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Unread 07-03-2011, 07:43 AM   #1
CCWATTERSON
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Wj P0320 code on 4.0 2001 grand cherokee laredo

My 2001 wj 4.0 engine ran fine yesterday. This morning I went to start it & it cranks, but will not start. I can hear the fuel pump engaging, so i do not think that is the problem. It is showing a p0320 code, which i have read is a bad crank position sensor (cps). I have had 4 back surguries & i cannot get under the jeep to fix this, but i have also read that i should be able to see the cps from under the hood. Can anyone tell me where the cps is located on a 4.0 if looking from the front into the engine compartment? Also, what does it look like? I would like to try to fix this without getting under the jeep. Can anyone help me? Thanks in advance!

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Unread 07-03-2011, 10:35 AM   #2
rm2001wj
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It's near the top of the transmission housing where it bolts to the engine. I've never heard of anyone being able to change it without getting under.
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Unread 07-03-2011, 11:25 AM   #3
CCWATTERSON
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Thank you for your help rm2001wj!

I am trying to get a look at it, but everything is very tight & close to the firewall in that area. I will keep looking & I will try to feel for it to get an idea of what needs to be done. I have a great mechanic that will come to my house if needed to work on it, if I ask him, however it is a holiday weekend, so he is out of town.

If there is anyone that lives near Lancaster, PA that is reading this that can remove & replace my crank position sensor today, or tomorrow 7/4/11 in my garage, I would be greatful & I will pay you, because I cannot do it my self due to my back injury

Otherwise, if anyone has any other input on this matter, please reply.

Thanks in advance for the help!
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Unread 07-03-2011, 12:54 PM   #4
wsar10
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I just went through this a week or so ago, and IMO it's not worth changing even if you could, it's PITA and a good machanic will do it in an hour he even had to remove the trans crossmember.
It cost me 40 bucks in labor.
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QUOTE=billzcat1;wsar10 is right on point on this oil thread - as usual. Anyone reading this would be well-served taking his advice.


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Unread 07-03-2011, 11:18 PM   #5
CCWATTERSON
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Thank you for your input "wsar10"!! You are right, I will leave this repair to someone that has done this task before & I know that my mechanic good, fair & honest.

Thank you again for taking the time to reply to my posting.
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Unread 07-05-2011, 09:47 PM   #6
CCWATTERSON
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Wj Thanks to all that helped

My mechanic replaced the crank position sensor today in less than 45 minutes & my jeep g c started right up. It took longer for aaa to tow it to my mechanic's garage than it took to repair the problem.

I just wanted to say "thank you" to all that helped me with this problem & i hope that i can help some one in the future in this same way. Jeep people are the best!
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