Check Engine Light reset - JeepForum.com

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post #1 of 17 Old 06-16-2003, 08:45 AM Thread Starter
skatedork
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Check Engine Light reset

I have a 99 wrangler sport, Anyone know where the check engine light reset is on this? Thanks


I bent my wookie
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post #2 of 17 Old 06-16-2003, 08:47 AM
Owen
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Did you get any codes?

To reset you simply disco the battery for about 10 mins...

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post #3 of 17 Old 06-16-2003, 08:47 AM
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Oh and what up Jersey

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post #4 of 17 Old 06-16-2003, 08:49 AM Thread Starter
skatedork
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Ahh a fellow dirty jersian Ever ride your jeep at the Pine Barrens?

I bent my wookie
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post #5 of 17 Old 06-16-2003, 08:51 AM
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Quote:
Originally posted by skatedork
Ahh a fellow dirty jersian Ever ride your jeep at the Pine Barrens?
Yes I do...Paragon more though. More into rocks than mud...

Where do you live?

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post #6 of 17 Old 06-16-2003, 09:03 AM Thread Starter
skatedork
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I live in Morris County on Lake Hopatcong. I heard of that place before. I haven't been off roading with my jeep before, I am just starting to upgrade it from its stock form.

I bent my wookie
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post #7 of 17 Old 06-16-2003, 09:14 AM
Dee Cue
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Quote:
Originally posted by skatedork
Ahh a fellow dirty jersian Ever ride your jeep at the Pine Barrens?
Hey, I dated a Jersian before, she wasn't dirty at all... However her driving manners/road rage scared the hell out of me.

Blk, '05 LJ, 6-spd, 3" Zone SL, 33" BFG AT on Soft 8's
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post #8 of 17 Old 06-16-2003, 09:27 AM
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Quote:
Originally posted by skatedork
I live in Morris County on Lake Hopatcong. I heard of that place before. I haven't been off roading with my jeep before, I am just starting to upgrade it from its stock form.
I work in livingston real close to you...We are having a big run and party at paragon on the 18th-20th of July...There will be other Stock jeeps running too...PM me for details or check out the thread int eh wheelin neighborhood forum...

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post #9 of 17 Old 06-16-2003, 10:33 AM
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To reset it, disconnect the negative battery terminal and turn on the headlights for 10 minutes. Then turn them off and reconnect it. Should be back to normal.
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post #10 of 17 Old 06-16-2003, 10:35 AM Thread Starter
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Where is Paragon exactly? Isn't it in PA?

I bent my wookie
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post #11 of 17 Old 06-18-2003, 06:09 PM
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jeep enthusiast,
why the headlights? i've heard of the battery disconnect before...just never the headlights too.
chris

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post #12 of 17 Old 06-18-2003, 06:32 PM
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I'm guessing turning on the headlights uses all the electricity still between the lights and the battery... Oh and I live in Jeresy too, monmouth county. No really good places around here except for a few spots on the beach in Asbury Park.

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post #13 of 17 Old 06-18-2003, 06:41 PM
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Well, turning the headlights on would drain any remaining charge out of any capacitors inside the computer, but it's really unnecessary to go to that trouble, nor for that length of time. Disco'ing the battery's negative lead for 2 minutes is more than enough time to completely reset the computer.

You could also, if you're really anal about getting rid of all the potentially stored conditions inside the computer, momentarily touch the disconnected negative battery lead to the positive battery post lead. Though this will not produce sparks as some may think, it will totally reset any remaining logic conditions in the computer... but is still totally unnecessary. Disco'ing the negative battery lead for 2 minutes is plenty.

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post #14 of 17 Old 06-18-2003, 07:04 PM
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I usually just let it sit for 10 minutes just to be certain. It will drain the remaining charge. I guess it will work for 2 minutes as well but I dont really time it. 5-10 minutes would make me 100% sure its all gone. The check engine light might appear later if the jeep is having trouble. Go to autozone and have them run a check for you. It will show you the codes.
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post #15 of 17 Old 06-18-2003, 08:57 PM
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Quote:
Originally posted by Jerry Bransford
Well, turning the headlights on would drain any remaining charge out of any capacitors inside the computer, but it's really unnecessary to go to that trouble, nor for that length of time. Disco'ing the battery's negative lead for 2 minutes is more than enough time to completely reset the computer.

You could also, if you're really anal about getting rid of all the potentially stored conditions inside the computer, momentarily touch the disconnected negative battery lead to the positive battery post lead. Though this will not produce sparks as some may think, it will totally reset any remaining logic conditions in the computer... but is still totally unnecessary. Disco'ing the negative battery lead for 2 minutes is plenty.
Aloha Jerry, remember about a month ago I had the problem of my tj stahling out and idling too high, this after taking my battery out and cleaing things up with water. They finally ended up telling me that after I disconnect the battery I have to let the engine run at an idle for 30 minutes... this sounds like a load of crap to me and I suspect they were not telling me the truth, any thoughts?

Thanks and Aloha

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