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New headlights now XJ starting weird....

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Old Nov 12, 2009 | 11:30 PM
  #1  
BigRed93xj's Avatar
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Year: 1993
Model: Cherokee
Engine: 4.0
Default New headlights now XJ starting weird....

Basically just what the title says. Got a pair of new headlights and bulbs. First dissconected the battery, took old headlights out, put new ones in. Hooked the battery back up and thought I was done ... When I started the engine it didnt rev up over 1000 rpms like it usually does. It sounds like its ideling way lower too like at 800-900 rmps, when before it was a little bit higher but not much. What worries me is how it sounds when it starts. It just doesnt sound like it used too... Any ideas out there, I dont know where to start. Thanks guys.
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Old Nov 12, 2009 | 11:36 PM
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4.3L XJ's Avatar
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From: Chico, CA
Year: 1986
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You unhooked he battery and erased the 'knowledge" the computer has of our engine. You need to take it for a drive, going through all the gears etc. By the time you get 100 miles on it, it will be back to normal.
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Old Nov 12, 2009 | 11:42 PM
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hmmm ok. I remember unhooking it before and not having this trouble but that does make sense. I was thinking the computer to but was to unsure to make an educated guess.
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Old Nov 12, 2009 | 11:46 PM
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big red.... love the signature
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Old Nov 12, 2009 | 11:50 PM
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Originally Posted by 85on32+4
big red.... love the signature
haha thanks, gotta love Joe Dirt
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