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Unread 03-19-2012, 07:03 AM   #1
GreenEyes84
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2005 KJ Liberty 
 
Join Date: Mar 2012
Location: Wooster, OH
Posts: 8
Starting Problems w/ 2005 Jeep Liberty

My 2005 Jeep Liberty has had some occasional problems starting since I purchased it in 2009. The vast majority of the time it starts up just fine, but every once in awhile, it just doesn't quite want to turn over all the way. It'll be almost there, but it just doesn't want to start. It typically happens when the car is warm (i.e. has been driven for 30-45 minutes and then left to sit for 20 minutes), and when I turn the key it just doesn't start (it WANTS to, it just doesn't quite get there). Usually, if I try a few times and turn the key extra hard and maybe give it some extra gas, it will start up. Every time I have taken it to a mechanic, I've mentioned this problem, and they'll try to figure out the issue, but they are never able to get it act up. My gas mileage has taken a major nosedive over the last few months as well. I'm not sure if they're related issues, but figured I should mention it. Any ideas?

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Unread 03-19-2012, 08:58 AM   #2
snowmoose14
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Location: Rogers, Minnesota
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I am just recently having the exact same problem with my 05 liberty as well. On mine I need to change the sensor on the charcoal canisters by the fuel tank and I thinkn there is one next to the fuel rails so could that be the cuplrit?
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Unread 03-19-2012, 01:53 PM   #3
ANG2005kj
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I too am having the same problem and it just started happening about a week ago, haven't looked into yet so will be watching to see what people say about it..
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Unread 03-21-2012, 08:49 AM   #4
05LibertyMGH
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Wow....my wife mentioned this issue last night with her 2005. Hope someone has some insight on this issue.
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Unread 03-21-2012, 10:25 AM   #5
GreenEyes84
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I just spoke with the mechanic (Jeep is still at the shop). He was able to get the car to act up, and found that the fuel pump wasn't turning on. He said he put a new relay on it, and that he hasn't been able to get it to act up since, but he was going to do a little more work on it just to make sure that that's the problem.
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Unread 03-21-2012, 12:14 PM   #6
snowmoose14
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Where is the relay located if you can find out from the mechanic?

Thanks
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Unread 03-21-2012, 01:43 PM   #7
GreenEyes84
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I'll see what I can do. I'm not exactly a "car-person", and "car-speak" is like a foreign language to me lol. I'll see if I can have the mechanic write down (or tell me slowly so I can write down) where the relay is. If I find anything out, I'll pass it along.
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Unread 03-21-2012, 03:33 PM   #8
05LibertyMGH
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4671168e
msrp $14.50
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Unread 03-21-2012, 04:49 PM   #9
05LibertyMGH
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Engine Bay

In front of battery, flip open fuse lid. It is relay #29. The bottom of lid has id/names of fuses.
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Unread 03-22-2012, 06:41 AM   #10
GreenEyes84
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Unfortunately, I got a call from the mechanic right before I left work. He said he'd left it out in the sun to heat up (in an effort to make it act up, just to make sure that the problem was truly fixed), and sure enough, it acted up. So he kept it for the night and will be running additional tests today If I hear anything new, I'll be sure to post.
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Unread 03-22-2012, 09:34 AM   #11
IgotJeep99
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Did your mehanic do a fuel pressure test?

I'd have him check the ignition switch also.
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Unread 03-22-2012, 10:39 AM   #12
GreenEyes84
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Just talked to him again. I apparently have low fuel pressure. They've traced the problem through the whole fuel line all the way back to the tank, but can't go any further without removing the tank. So they're going to replace the whole fuel pump module and hope that works
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Unread 03-22-2012, 11:41 AM   #13
snowmoose14
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ok. let us now if that works!
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Unread 03-22-2012, 03:01 PM   #14
IgotJeep99
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Maybe just changing the fuel pressure regulator will fix the problem. If your lines are clogged then new fuel filter is good the replace.

How much did they quote you for the job?
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Unread 03-22-2012, 03:03 PM   #15
IgotJeep99
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edit: also just wanted to add, fuel pump's job is to pump fuel and not provide pressure. They maybe just changing to get $$ off you. Have them change fuel filter and fuel pressure regulator and go from there.
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