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Rich Zellmer (Personalt)
Posted on Friday, January 31, 2003 - 11:23 am:   Edit Post Delete Post Print Post

Had the check engine light come on, fixed some possible sources and want to reset the light.

I know I can pull the battery terminal but figured pulling the right fuse might be easier.

Which fuse is it? Tried of a few of the big ones under the hood with no luck
 

SanuKC (Sanukc)
Posted on Friday, January 31, 2003 - 11:53 am:   Edit Post Delete Post Print Post

Rich,

What is the mileage on your vehicle? If its around 50K then, it could be the check engine reminder box. Its a small brown box under the passenger seat on Disco series I.

Sanu.
 

Danno (Danno)
Posted on Friday, January 31, 2003 - 12:02 pm:   Edit Post Delete Post Print Post

"Check engine" light (orange) is caused by a fault.

"Service Engine" (red) is the maintenance reminder that is reset by the emissions box and comes on at 52k mile intervals
 

Rich Zellmer (Personalt)
Posted on Friday, January 31, 2003 - 12:28 pm:   Edit Post Delete Post Print Post

I am looking for the fuse to reset the check engine check not the service engine.

I know I could just pull the battery terminal but I dont have my wrenches with me and it super cold out anyway. Would rather just pull a fuse if possible
 

charles pastrano (Charles)
Posted on Friday, January 31, 2003 - 12:33 pm:   Edit Post Delete Post Print Post

Pulling the battery doesnt work so I dont think a fuse will either. You can go to your parts store like Autozone and have them reset it or just wait for it to reset on its own.
 

Rich Zellmer (Personalt)
Posted on Friday, January 31, 2003 - 12:41 pm:   Edit Post Delete Post Print Post

I did read someone that pulling the battery for the ECU would cause it to reset. Figured if that was true I could pull a fuse.
 

SG
Posted on Friday, January 31, 2003 - 01:25 pm:   Edit Post Delete Post Print Post

It depends upon what model year you have. For OBD-II equipped vehicles ('96 and later) the ECU stores trouble codes and (unfortunately) you need Testbook to reset it.

*However*, I have heard that if the problem is fixed and the brain doesn't record any further error messages from the offending sensor, it will reset the light after 3 (6??) error-free start/stop 'cycles'
 

charles pastrano (Charles)
Posted on Friday, January 31, 2003 - 05:55 pm:   Edit Post Delete Post Print Post

Try 30 times.
 

discofever
Posted on Friday, January 31, 2003 - 08:00 pm:   Edit Post Delete Post Print Post

I have a 95 Disco, I pulled the injector fuse and it reset the light.
 

Axel Haakonsen (Axel)
Posted on Friday, January 31, 2003 - 11:54 pm:   Edit Post Delete Post Print Post

You don't need testbook to reset the check engine light on an OBD-II vehicle, a standard OBD-II reader capable of clearing codes will do. That's the whole point with OBD-II, it is a government mandated standard. Of course there are still some propritary codes a standard reader won't read, but that's life....
 

Erik Olson (Jon)
Posted on Saturday, February 01, 2003 - 12:59 am:   Edit Post Delete Post Print Post

95 Disco resets by disconnecting the red terminal from your Optima. If you don't have an Optima, take this opportunity and buy one.

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