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Unread 10-21-2010, 03:00 PM   #1
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1990 YJ Wrangler 
Join Date: Oct 2010
Location: waynesville, nc
Posts: 29
rough idle idle issue

i have a rough idle problem any ideas how to solve this? its a 2.5 TBI 1990 YJ

all i can come up with is maybe vacuum leak. timing cant be adjusted so i am at a loss here

1990 YJ 2.5
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Unread 10-21-2010, 06:57 PM   #2
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1986 MJ Comanche 
Join Date: Oct 2010
Location: Warner Robins, Georgia, Georgia
Posts: 1,982
i have a 95 YJ with a rough idle (200-300rpm) and the check engine light said O2 sensor was bad, im going to replace it soon. Did yours have a check engine light on?
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