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Unread 01-04-2005, 08:44 AM   #1
a204600
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Help...maintenance required light

What needs to be changed or fixed to make the maintenance required light go out. I have changed the O2 sensor already. The jeep is a 92 with the inline 6. any info will help.

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Unread 01-04-2005, 09:03 AM   #2
traildust
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Have you run your codes. Do you know how? If not do the following turn your key on, off, on, off, on the dash light should blink. Something like this two blink a pause three blinks pause that would be 23. This is just an example. You will most likely get one or more codes.
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Unread 01-04-2005, 11:08 AM   #3
sentinal02
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Quote:
Originally Posted by traildust
Have you run your codes. Do you know how? If not do the following turn your key on, off, on, off, on the dash light should blink. Something like this two blink a pause three blinks pause that would be 23. This is just an example. You will most likely get one or more codes.
hey's talking about the maintenance light, not the check engine light.

A20, i believe the 92's used the electronic timers and can be reset at the dealer (or possible other shops). if not and they used the mechanical style timer, the timer itself needs to be replaced or disconnected. it's located under the dash, just above the accelerator and to the right a bit. HTH
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Unread 01-04-2005, 11:20 AM   #4
traildust
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Thanks I didn't know there was one. New at all this stuff.
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Unread 01-04-2005, 11:34 AM   #5
a204600
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got code, what do they mean

Ok I got the codes, now can someone let me know what they mean:
12
33
15
55
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Unread 01-04-2005, 12:03 PM   #6
Atwater10
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Hello a204600, I don't know if the codes are the same on your '92, but here is
something that I found for a '95:

These codes were taken from the '95 XJ/YJ

12* Direct battery input to PCM was disconnected within the last 50 key-on cycles.

33* An open or shorted condition detected in the A/C clutch relay circuit.

15** No vehicle distance (speed) sensor signal detected during road load conditions.

55* Completion of diagnostic trouble code display on the malfunction indicator lamp (check engine lamp).

I hope this helps.

Chuck
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Unread 01-04-2005, 01:11 PM   #7
Questor
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You'll have to have the Maint Req'd light reset at the dealer...Or just pull the bulb as many have mentioned. If you're confident in the new O2 sensor and you remember to replace it in 40k-80k then you'll be fine.

I wouldn't worry about any of those codes except the #15 one - did you disconnect your speedo sensor? Does your speedo work properly?
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Unread 01-04-2005, 02:25 PM   #8
RCHavok797
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Take a look at the frequently asked question thread at the top of the YJ forum, it is there for a reason and contains a lot of information.
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