90 check engine light

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09-09-2013 | 05:24 PM

#16

DFlintstone

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Joined: Aug 2011

Posts: 10,489

Likes: 19

From: Nor-Cal Coast

Year: 90,84

Model: Cherokee

Engine: 4.0,2.5

5-90 is spot on (as usual). On the bottom of my tag with the vac diagram it says "OBD Exempt". (OBD is On Board Diagnostics) , hence the "nag light", for post 90, OBDI, to about 96, then OBDII.

See photo

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Last edited by DFlintstone; 09-09-2013 at 05:27 PM.

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09-09-2013 | 07:36 PM

#17

bubbarules1958

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Joined: Sep 2013

Posts: 1,552

Likes: 7

From: California

Year: 91

Model: Cherokee

Engine: 4.0

How do I post a pic?

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09-09-2013 | 08:11 PM

#18

bubbarules1958

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CF Veteran

Joined: Sep 2013

Posts: 1,552

Likes: 7

From: California

Year: 91

Model: Cherokee

Engine: 4.0

Yeah. OBD exempt. I drove my fat *** all the way to work to take a picture to prove you wrong. But you were right.

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09-09-2013 | 10:57 PM

#19

854x4

Newbie

Joined: Jun 2013

Posts: 28

Likes: 1

Model: Cherokee

Check this post here https://www.cherokeeforum.com/f2/emi...175356/index2/ I posted the information you need this comes from my smog manual.

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09-09-2013 | 11:05 PM

#20

Turbo X_J

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Joined: Sep 2009

Posts: 8,567

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From: ☼ Blackhole Sun

Year: My Jeep is a GMC

Quote:

Originally Posted by bubbarules1958

Yeah. OBD exempt. I drove my fat *** all the way to work to take a picture to prove you wrong. But you were right.

So I guess we are done here?

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09-09-2013 | 11:11 PM

#21

DFlintstone

CF Veteran

Joined: Aug 2011

Posts: 10,489

Likes: 19

From: Nor-Cal Coast

Year: 90,84

Model: Cherokee

Engine: 4.0,2.5

Quote:

Originally Posted by bubbarules1958

How do I post a pic?

I scroll down to "manage attachments" then "browse" to my photo and double click on it. It doesn't clearly tell me when it's done loading, but the attachment will show. You can always "preview post"

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09-09-2013 | 11:38 PM

#22

bubbarules1958

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CF Veteran

Joined: Sep 2013

Posts: 1,552

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From: California

Year: 91

Model: Cherokee

Engine: 4.0

Yep. New smog tech.

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10-29-2013 | 05:55 PM

#23

bubbarules1958

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CF Veteran

Joined: Sep 2013

Posts: 1,552

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From: California

Year: 91

Model: Cherokee

Engine: 4.0

Late follow up. Took it back to the tech and showed him the sticker and he passed it. Thanks everybody for your help.

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10-29-2013 | 06:22 PM

#24

Black89

Seasoned Member

Joined: Jul 2013

Posts: 432

Likes: 1

From: Spokane Valley, WA

Year: 1989

Model: Cherokee

Engine: 4.0

Quote:

Originally Posted by bubbarules1958

I started following that post. Turns out the dude lives right up the road from me. He hasn't took his back in for smog yet. I'm planning on taking mine tomorrow for the 10 dollar retest. I need some documents to show him though. No where on the vehicle does it state that it is pre obd or anything like that. There is an actual emission light. It is supposed to turn on when you turn the key on. I replaced the bulb before I found about the maintenance box. Does anybody know the color of the wire or wires that plugged into the box? So I can at least locate them? Also does anybody have printable evidence that it is pre obd so I can educate the smog tech? I'm going for the 10 dollar retest. I don't want to pay the 50 dollars to go to another tech.

The plug for the box is black. Wire colors are Grey, Black, Orange with white stripe. I swapped clusters and my new cluster had the Emissions bulb in it. My old cluster had the bulb removed. My new cluster lit right up showing the emission's light came here for help and the gang told me about the box. I yanked it out and tossed it in the trash and no more light to worry about.

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10-30-2013 | 12:03 AM

#25

bubbarules1958

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CF Veteran

Joined: Sep 2013

Posts: 1,552

Likes: 7

From: California

Year: 91

Model: Cherokee

Engine: 4.0

That's one clean *** Jeep BLACK89

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10-30-2013 | 12:27 AM

#26

Black89

Seasoned Member

Joined: Jul 2013

Posts: 432

Likes: 1

From: Spokane Valley, WA

Year: 1989

Model: Cherokee

Engine: 4.0

Quote:

Originally Posted by bubbarules1958

That's one clean *** Jeep BLACK89

Thanks man. That's a Washington State East side rust free rig. I was painted a couple years back but it's solid, not a hole in it.

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11-01-2013 | 11:19 AM

#27

89cherokee2gtmudy

Senior Member

Joined: Apr 2012

Posts: 735

Likes: 0

From: Los Banos CA

Year: 2000

Model: Cherokee

Engine: 4.0

Smog shops in California are tough sobs. One shop in town I had the same problem with both my renix jeeps. Saying the check engine light and emissions light isn't coming on. I got into an argument both times. Nice having a shop in town that knows jeeps.

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