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Old 12-19-2017, 07:38 PM
Hodge41 Hodge41 is offline
Ford Ranger Owner
 
Join Date: Mar 2014
Posts: 50
Default OD off Light flashing (2000 Ford Ranger 4x4 4.0)

So coming home from school I had my truck on cruise control and it shifted weird once then the OD off light began to flash. I limped the truck the rest of the way home (60 mi) then have been trying to trouble shoot ever since then. Before I even think about rebuilding the transmission I would like to exhaust all options before taking it to a transmission shop.

Symptoms:
1. Hard first to second shift after light comes on (shifts normally until that point)
2. Hard shifts above 3k rpm

So far I have done the following:
1. Checked fluid level (was slightly over full -looked frothy maybe got really hot and frothed causing it to get over full- and fluid didn't smell overly burnt)
2. Disconnected battery for 30 min
3. Trans fluid/filter change along with flushing some of it thru the system
4. Used an OBD2 scanner to try to find if it was throwing code (it isn't)

Only other issues I have going on with the truck right now are it will occasionally throw a cylinder 6 misfire (already done plugs). Any help you guys could provide would be much appreciated. Thanks!

P.S. Truck has 130K on it if that is any help

Last edited by Hodge41; 12-19-2017 at 07:41 PM. Reason: left out some info
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  #2  
Old 12-20-2017, 05:53 AM
tomboy tomboy is offline
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Join Date: Nov 2011
Posts: 1,688
Default Re: OD off Light flashing (2000 Ford Ranger 4x4 4.0)

On my 2000 first shift was hard, instantly went into next gear, then od came in, but in a few minutes the od light would come on. Found the problem to be a blown valve body gasket. Got new ones from ford and its been fine for almost two years now.
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Old 12-21-2017, 04:36 PM
99Ranger376 99Ranger376 is offline
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Posts: 2,296
Default Re: OD off Light flashing (2000 Ford Ranger 4x4 4.0)

Quote:
Originally Posted by tomboy View Post
On my 2000 first shift was hard, instantly went into next gear, then od came in, but in a few minutes the od light would come on. Found the problem to be a blown valve body gasket. Got new ones from ford and its been fine for almost two years now.


To the OP; it could be this, a bad valve body or solenoid.


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Old 12-21-2017, 07:01 PM
nelbur nelbur is offline
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Join Date: Oct 2010
Posts: 102
Default Re: OD off Light flashing (2000 Ford Ranger 4x4 4.0)

The OD light flashing means that it has set a transmission code, as I understand it. I believe you will have to have it read by someone with special equipment, like a dealer or transmission shop. Blown valve body gaskets have been a problem on this vintage transmission.
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  #5  
Old 12-21-2017, 08:59 PM
Hodge41 Hodge41 is offline
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Join Date: Mar 2014
Posts: 50
Default Re: OD off Light flashing (2000 Ford Ranger 4x4 4.0)

Thanks guys I just cleaned off the one speed sensor and checked all the harness connections gonna give that a shot real quick before dropping th pan again.
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  #6  
Old 12-23-2017, 03:24 PM
Mike69 Mike69 is offline
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Join Date: Oct 2013
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Default Re: OD off Light flashing (2000 Ford Ranger 4x4 4.0)

When I got the flashing OD light on my wife's 99 Explorer I dropped the pan (which was an adventure in itself) & changed the torque converter solenoid on the valve body & fixed it.
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