post #1 of Old 08-19-2014, 02:33 PM Thread Starter
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1994 YJ Wrangler 
Join Date: Apr 2011
Location: Madison
Posts: 24
CEL, shudder, exhaust cloud

Hey Guys -

Tried to post this earlier, but it doesn't look like it posted. 2005 Grand Cherokee ~116,000, started this morning and got a flashing CEL and shuddering. Turned it off, waited a bit and started it up again - no CEL or shudder, but saw a plume of exhaust smoke. Drove it about 5 miles and turned it off for a minutes, started it again and no problems.

Any thoughts on what might have caused this? I've read through the threads and saw IAC, EGR, etc etc..

All and any help is greatly appreciated - driving up into the north woods in Wisconsin next week and don't want to find ourselves stranded in the middle of nowhere.

ethansco is offline  
post #2 of Old 08-25-2014, 07:02 AM
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Join Date: Jun 2006
Location: Lincoln, NE
Posts: 798
Which engine does your 2005 have? Might want to update your profile.
The CEL code would provide a clue where the problem is. It might still be stored in the ECM if you get it checked. Any recent maintenance, air filter, plugs, TB cleaning?

06 Laredo - 4x4 V6 - Stone White - Custom LED Cargo Area Lights, Lighted Visors Added - now at 49k miles

97 Laredo - 4.0 4x4 Daily driver for 8 years then relocated to Arizona for 6 more years with the relatives
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post #3 of Old 08-25-2014, 09:17 AM
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2006 WK 
Join Date: Mar 2009
Location: Sheffield Lake
Posts: 852
Check the codes that are stored. My guess would be a stuck open injector.

2006 G.C.65th Anniv. Edition
2007 Liberty Sport 3.7
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