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Old 03-19-2005
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I recently purchased a 1986 Ranger and enjoy it....but noticed the other day that the emission light came on and has stayed on. The manual says that is normal @ 60,000 miles. I purchased a service book and it said to reset this sensor locate a hole under the dash that is .2 inch diameter hole marked with a "reset" sticker. I guess you take a phillips screwdriver into this hole and then turn the ignition on while continue to hold the screwdriver in on this button for 5 seconds. Unfortunately, I can't seem to find the "reset" sticker...maybe it fell off. Could someone tell me where this would be located under the dash -- driver's side or passenger side or any more specifics?
Thanks, Chris Rhoades
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Old 03-19-2005
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I have no idea about emmisions.....lol.....but welcome to the site anyways
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Old 03-19-2005
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wow... welcome to the site...
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Old 03-19-2005
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Hi Chris-

Go here:

http://www.ford-trucks.com/archives/...2000.I103.html

Scroll about 2/3 of the way down the page and there is a discussion from there to the bottom of the page about how to do the reset in a small module near the steering column.

BTW, I found this by doing a Google search: "emission reset Ranger sensor dash".

Last edited by V8 Level II; 03-19-2005 at 07:09 PM.
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Old 03-19-2005
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welcome sir!
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Old 03-19-2005
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welcome to the site!
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Old 03-19-2005
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Welcome.
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Old 03-19-2005
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Welcome! Bob can find anything, lol.

On those older trucks, you're not really resetting a sensor, just a "counter" that automatically triggers at a certain mileage. The reason was because the EGR valves in those days were pretty crappy and had to be serviced or replace periodically. I may be wrong about what it was for, but that's basically the idea even if it wasn't EGR.
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Old 03-19-2005
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Welcome... hope you have fun :)
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Old 03-19-2005
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Quote:
Originally Posted by n3elz
Welcome! Bob can find anything, lol.

On those older trucks, you're not really resetting a sensor, just a "counter" that automatically triggers at a certain mileage. The reason was because the EGR valves in those days were pretty crappy and had to be serviced or replace periodically. I may be wrong about what it was for, but that's basically the idea even if it wasn't EGR.
I don't know either, John. In the old days, many manufacturers had a service interval on the oxygen sensor(s), too. Often the interval was set at 60K, just outside of the emission component warranty (5/50k), relieving the manufacturer of the responsibility for replacing it ....
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Old 03-20-2005
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Welcome! Enjoy your stay.
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