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Jeep Diagnistics

 
 
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weasel
Just got MTs


Joined: 29 Dec 2012
Odometer: 167




PostPosted: Wed Sep 25, 2013 11:15 am    Post subject: Jeep Diagnistics Reply with quote

I have had the engine symbol showing on the display of my 4ltr cherokee for a long time everything seems to be working ok.

I am a little worried about it and would like to get it sorted out I just phoned my local Jeep dealers and they are quoting me £90 to put it on there diagnostics computer a bit much I thought.

But then to put my mind at ease it may be worth it to me if it works has anyone had it done and dose it work please do not say plug in a generic one we have done that.


Last edited by weasel on Wed Sep 25, 2013 9:17 pm; edited 1 time in total
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dxmedia
Mud Obsessed


Joined: 10 Dec 2008
Odometer: 2185




PostPosted: Wed Sep 25, 2013 2:39 pm    Post subject: Reply with quote

I used a generic ODB2 reader on my old ZG and it worked perfectly.

May be a different £20 generic reader is what you need? I don't recall which model I used but it was a Chinese cheap one.
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jonny jeep
Just got MTs


Joined: 03 Mar 2008
Odometer: 171
Location: Greater Manchester



PostPosted: Thu Sep 26, 2013 7:19 pm    Post subject: Reply with quote

This might not work depending on model year, as it doesn't work on 98-00 Wranglers. Within five seconds and without starting the engine, turn the ignition on-off-on-off-on. Leave it on the third time.

On pre facelift models the check engine light will flash, and you'll have to count the flashes to work out the codes. See here for codes...
http://www.allpar.com/fix/80s-codes.html

On post face lift the codes will display in the odometer and may be two digit ODBI codes, in which case use the link above. If they are OBDII Pcodes see the link below...
http://www.allpar.com/fix/computer-codes.html

__________________________________
97 TJ 4.0 sport.
4" lift. 33x12.5x15 KL71s
4.56 gears, ARBs front and rear.
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TJ_in_Dubai
Just got MTs


Joined: 24 Oct 2011
Odometer: 371
Location: Dubai, UAE


1997 Jeep Wrangler

PostPosted: Mon Oct 21, 2013 7:23 pm    Post subject: Reply with quote

My TJ does this all the time. I think it's down to the enlarged throttle body. Do the on off bit and see what codes come up. Google a Jeep forum and they will have them as a sticky. To delete the code, just disconnect the battery for 10 mins.
__________________________________
Wrangler TJ 4.0 Sport
33x12x15's
4.88 R&P's
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