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1989 Jeep Cherokee - trouble codes

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bille
 
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Default 1989 Jeep Cherokee - trouble codes - 06-13-2005 , 11:04 AM






Anyone know how I can find the troulbe code chart for the I6 4.0 liter and
how to access the codes?


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Will Honea
 
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Default Re: 1989 Jeep Cherokee - trouble codes - 06-13-2005 , 03:01 PM






On Mon, 13 Jun 2005 15:04:21 UTC "bille" <bill (AT) billerhard (DOT) net> wrote:

Quote:
Anyone know how I can find the troulbe code chart for the I6 4.0 liter and
how to access the codes?
The 89 used the Rennix computer and does not store/report codes.
There is a tool you can attach, but it's pretty pricey. The check
engine (or whatever it says) on the 87-89 I6 is probably from the
emissions timer module - it turns the light on at something like 80K
and the solution is to just unplug it. Far as I can see, that's the
only visual indicator on the thing.

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Will Honea


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bille
 
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Default Re: 1989 Jeep Cherokee - trouble codes - 06-13-2005 , 04:10 PM



Will,
The light is from the timer that goes off at 82,500 miles. It can be
reset, so you don't have to disconnect it.


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Will Honea
 
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Default Re: 1989 Jeep Cherokee - trouble codes - 06-14-2005 , 12:40 AM



On Mon, 13 Jun 2005 20:10:02 UTC "bille" <bill (AT) billerhard (DOT) net> wrote:

Quote:
Will,
The light is from the timer that goes off at 82,500 miles. It can be
reset, so you don't have to disconnect it.
I saw the directions for that at one time but just unpligging it was
simpler - and permanent <g>.

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Will Honea


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