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Unread 10-08-2013, 02:15 PM   #1
trraleigh
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Join Date: Feb 2013
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Engine Keeps Dying

I have an 06 TJ Rubicon with about 145K miles on it. It keeps dying after running for about 15 minutes, sometimes more, sometimes it won't go 10 seconds. Runs fine, then loses oil pressure, sputters for a second, then dies. It starts right back up. Dies again. I've already changed out the crank position sensor, cam sensor, and synchronizer. More of the same.

I've been fairly good with the maintenance since I've owned it.

I'm hoping it isn't the computer. Any ideas?

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Unread 10-08-2013, 02:54 PM   #2
Necko2529
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2003 TJ Wrangler 
 
Join Date: May 2011
Location: Brookfield, Illinois
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Pull the harness plugs out of the computer and check the pins for corrosion. Also, Chevy the ground strap that goes from the valve cover to the firewall right in the middle of it behind the motor.

Good luck.
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Unread 10-08-2013, 06:20 PM   #3
Holder350
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1995 XJ Cherokee 
 
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Location: Whitesburg, Tennessee
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Check the fuel pressure at the rail.

Any check engine light?
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Unread 10-08-2013, 07:36 PM   #4
JPNinPA
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2005 LJ Wrangler 
 
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Location: Dayton, Ohio
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Check out this thread on ODPA


http://www.jeepforum.com/forum/f9/ch...d-read-963235/

http://www.jeepforum.com/forum/f9/lo...17/index2.html

EDIT: what does it idle at and does the idle go up prior to dying? Any knocking? Leaks at the intake that may open once the engine warms would cause this.
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Unread 10-08-2013, 07:54 PM   #5
streetglideok
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2005 KJ Liberty 
 
Join Date: Jul 2011
Location: Colorado Springs, Colorado
Posts: 2,426
Any codes set? I have seen faulty O2 sensors on the jeeps do this. Usually though its within a few minutes of startup though.
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Unread 10-09-2013, 11:33 PM   #6
super_ringo
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1999 WJ 
 
Join Date: Sep 2012
Location: Calgary, AB
Posts: 3
Did you index the cam sensor when you replaced it? I'm having startup issues with my 99 wj and I'm coming to the conclusion that my cam sensor needs to be aligned with tdc.
http://www.jeepforum.com/forum/f11/h...ensor-1145301/
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Unread 10-11-2013, 12:45 PM   #7
trraleigh
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I will check these at the beginning of next week. All the codes have been corrected, but they show again, after the engine shuts off. There aren't any noises, etc. when the engine shuts off. It just loses power. Then, the faults return.
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Unread 10-11-2013, 09:23 PM   #8
JPNinPA
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2005 LJ Wrangler 
 
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Location: Dayton, Ohio
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What codes are you getting?
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