Maint. Req. -

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post #1 of 4 Old 08-20-2011, 02:52 PM Thread Starter
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1991 YJ Wrangler 
Join Date: Jun 2011
Location: Athens
Posts: 24
Maint. Req.

What is the maint. req. Light!
I comes and goes it not the service engine light it is the light under the right turn indicator light!
91 YJ all gauges are reading good and can't tell any change from when it's on or off but comes on alot and goes off after a min or so!
Any thoughts?

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post #2 of 4 Old 08-20-2011, 03:46 PM
Web Wheeler
1991 YJ Wrangler 
Join Date: Dec 2010
Location: 14304 Niagara Falls
Posts: 2,537
The maint req light is piece of history. It comes on every so many miles because they thought you had to change the O2 sensor and tune it up every 60,000 or so. Modern parts are a lot better than that. You can ignore it or most people just pull the bulb out of it.
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post #3 of 4 Old 08-20-2011, 06:03 PM
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1989 YJ Wrangler 
Join Date: Mar 2009
Location: quechee Vermont
Posts: 4,699
or just find the "timer" and unplug that so the light goes out and dont bother to reinstall a different one.

1998 ZJ 5.2 Auto

1989 Wrangler Black Bone Stock 2.5l 5spd
/l , [____],
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post #4 of 4 Old 08-21-2011, 11:35 AM
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1992 YJ Wrangler 
Join Date: Sep 2006
Location: Pittsburgh
Posts: 2,459
Originally Posted by Mark05059 View Post
or just find the "timer" and unplug that so the light goes out and dont bother to reinstall a different one.
IIRC the timer box (with the gears in it) was only used to 1989. Begining in 1990 the computer actually turned on the light and the only way to reset it is with the ChryCo scan tool.

Pull the bulb out and drive on.
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