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Unread 11-09-2004, 09:40 PM   #1
ckcarr
Registered User
2013 JK Wrangler 
 
Join Date: Aug 2004
Location: Moab
Posts: 22
Rough cold idle

I have a 2001 Wrangler Sport 4.0

Lately it seems to have a much rougher idle when first started cold.

Does anyone have an opinion as to what this may be? Simple fuel filter, or is there a cold start valve that goes out occassionally?

Thanks

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Unread 11-10-2004, 03:45 AM   #2
Red J
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2001 TJ Wrangler 
 
Join Date: Oct 2004
Location: West Palm Beach
Posts: 43
I had the same exact problem. Two years ago Jeep came out with a technical service bulletin (TSB) to fix this. I believe it is only with certain 2001s. I went to the dealership and asked them to look it up. It did the trick.
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