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Unread 04-06-2014, 06:29 AM   #1
jpfix
Registered User
1991 YJ Wrangler 
 
Join Date: Jul 2008
Location: VA
Posts: 220
problems starting

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 04-06-2014, 08:06 AM   #2
streetglideok
Web Wheeler
2005 KJ Liberty 
 
Join Date: Jul 2011
Location: Colorado Springs, Colorado
Posts: 2,366
First suggestion, don't make multiple posts about it,lol. How old are your spark plugs? Less than 30k, copper core plugs gapped to OE spec? What kind of fuel do you use? Not E85 right? Lastly I would check fuel pressure. If it is running below spec, heat soak conditions can make a vapor lock condition.
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Unread 04-08-2014, 03:15 AM   #3
Billwill
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2002 KJ Liberty 
 
Join Date: Jul 2007
Location: South Africa
Posts: 979
If it does not want to turn over all the way sometimes I would suggest the battery needs checking, the battery connections need to be clean and tight, the negative battery lead to chassis must be clean and tight and the grounding cable from engine to chassis must be clean and tight on both ends.

Also swap out the Starter Relay with an identical one next to it.
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Unread 04-08-2014, 07:48 AM   #4
Bilge
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2008 JK Wrangler 
 
Join Date: Feb 2013
Location: Iron Mountain, Michigan
Posts: 15
I'll get back to you after I get back from the mall.
mallgrrrr.jpg

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Unread 04-08-2014, 04:44 PM   #5
JeepOwner33
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2003 KJ Liberty 
 
Join Date: Apr 2014
Location: Greensburg, IN
Posts: 13
Sounds like what I have been going through.

Here is a topic I started on this a few days ago with a lot of good responces.

http://www.jeepforum.com/forum/f28/h...-help-2286929/
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