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Unread 07-03-2010, 06:32 PM   #1
adrianmartin
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2001 TJ Wrangler 
 
Join Date: Jul 2010
Location: texas
Posts: 2
HELP!! 2001 Wrangler wont start!

It just cranks but wont start....Then after awhile it will....sometimes when idle it will just die. Its a 4.0 Any ideas?

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Unread 07-04-2010, 08:07 AM   #2
krahnilogikal
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2001 TJ Wrangler 
 
Join Date: Jan 2010
Location: Jacksonville, FL
Posts: 395
Let me give you a little help here. If you want anyone to take you seriously and give you some help, take the time to become familiar with JF and how you should interact with it's members.

First, do this:
http://www.jeepforum.com/forum/f9/fi...ofiles-402432/

and then read this:
http://www.jeepforum.com/forum/f6/je...-rules-421475/
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Unread 07-04-2010, 09:40 AM   #3
briguy3030
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2004 TJ Wrangler 
 
Join Date: Jul 2008
Location: St. Louis, MO
Posts: 196
Has your battery been fully or sufficiently drained? Sometimes when the battery becomes adequately drained the computer needs to relearn to idle. This could take X amount of miles, but not terribly long. If this is the possible problem, it will get gradually better w/ each start & run over the course of a day as the computer calibrates.
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Unread 07-04-2010, 01:50 PM   #4
adrianmartin
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2001 TJ Wrangler 
 
Join Date: Jul 2010
Location: texas
Posts: 2
I don't think its that because the battery seems to be fully charged, because it cranks really good....but then I don't know the first thing about this engine. Maybe I should try putting a new battery on just to try it? Thanks for the replies guys...I just bought this Jeep on Friday so I'm a real newbie.
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Unread 07-04-2010, 02:57 PM   #5
briguy3030
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2004 TJ Wrangler 
 
Join Date: Jul 2008
Location: St. Louis, MO
Posts: 196
Again I'm no engine mechanic but possibly could be the alternator or spark plugs Had the Jeep sat unused for an extended period of time @ somebody's home? Maybe bad fuel?
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Unread 07-04-2010, 03:00 PM   #6
USAFRecon
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Join Date: May 2008
Location: Fredericksburg, VA
Posts: 1,407
Fuel pump? Sounds like maybe it's clogged or just dead.



Secondly to:
Quote:
Originally Posted by krahnilogikal View Post
Let me give you a little help here. If you want anyone to take you seriously and give you some help, take the time to become familiar with JF and how you should interact with it's members.

First, do this:
http://www.jeepforum.com/forum/f9/fi...ofiles-402432/

and then read this:
http://www.jeepforum.com/forum/f6/je...-rules-421475/
Was it really hard to just answer his question. He did say in his post he had a 4.0L so that shoudla been good enough to answer his problem. Then inform him to use search and fill in his profile.
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Unread 07-06-2010, 10:11 AM   #7
krahnilogikal
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2001 TJ Wrangler 
 
Join Date: Jan 2010
Location: Jacksonville, FL
Posts: 395
Actually, simply stating that you have a 4.0 doesn't tell me anything useful other than the fact that it is an internal combustion engine with 242 cubic inches of displacement. Anyone can throw out a suggestion like "check your plugs" or "clean your air filter" and that may help to solve the problem. However, knowing things like whether or not it is an auto or manual could help determine if the problem might be related to something like a neutral safety switch or clutch position switch. Knowing what year the vehicle is could help determine if it has a typical distributor and wires set up or if it uses the ignition rail (like the 2001 that he has vs. a 1997 with wires and a dist. cap). Also, when a new user signs up, doesn't fill out any details on his profile and his first post is as general as this was, it really doesn't show that he has done any research on his own before just creating a user account waving the help flag. Lastly, I wasn't trying to be a jerk, I am trying to help the guy out. Not so much as in direct relation to his engine problem, but more in the realm of how he could go about earning a little respect from some of the more engine savvy guys that could help him. Those two stickies were put up by moderators for a reason. My apologies to the OP if I offended you. Best of luck with your repair.
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