99 WJ stalls out after driving, turning off, then back on - JeepForum.com

 
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post #1 of 5 Old 08-23-2013, 08:16 PM Thread Starter
DakMan96
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1999 WJ 
 
Join Date: Sep 2012
Posts: 219
Wj 99 WJ stalls out after driving, turning off, then back on

I own a 1999 Jeep Grand Cherokee Laredo and it runs fine when I first start it up. However, after driving it for a while and parking and then coming back maybe 20 or 30 minutes later, when I turn it over my RPMs are low and the engine starts shaking and sputtering and if I give it gas it sometimes will help and bring them up but even at over 1000 RPMs it still sorta shakes and sputters. Sometimes I can floor it and it won't even make a difference , it stays at 300 RPMs until it stalls out. Then when it does stall out and crank it up again, the RPMs jump way high (maybe 1200?) and sit there for 3 or 4 seconds until they go to normal and it drives fine. So does anyone have ANY idea what to do or what it could be? Thanks in advance

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post #2 of 5 Old 08-24-2013, 09:45 AM Thread Starter
DakMan96
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1999 WJ 
 
Join Date: Sep 2012
Posts: 219
Anyone??
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post #3 of 5 Old 08-24-2013, 09:56 AM
McGR
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2007 XK Commander 
 
Join Date: Aug 2005
Location: McHenry, IL
Posts: 287
My front oxygen sensor acted a bit like that on my '99 4.0 when it went out. Check to see if you have any codes.
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post #4 of 5 Old 08-24-2013, 06:27 PM Thread Starter
DakMan96
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1999 WJ 
 
Join Date: Sep 2012
Posts: 219
No codes for sensors, just EVAP leaks but I know what they're for and I've had them LONG before these problems
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post #5 of 5 Old 08-24-2013, 08:06 PM
99SK04GTX
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2004 WJ 
 
Join Date: Jul 2009
Location: Hampton Roads
Posts: 720
Tps
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