92 E4OD Problems - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 5 (permalink) Old 01-16-2010, 04:58 PM Thread Starter
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92 E4OD Problems

I've been having problems with this light flashing ever since I got the truck. It's a 92 F-350 4x4 7.3l IDI on 38's.

It's been kind of slightly lunging into gear. Not always and not very noticeable.

Then at random it will start throwing codes and flashing the O/D light and go to safe mode and kick me in the pants every time it shifts.

It sometimes goes a month without doing it, then it will do it every day for a week and a half. I usually just disconnect the batts and let it sit. Goes away for a while.

The fluid looks and smells kind of toasty but I have a pile of paperwork I got with the truck for a full tranny and T-Case rebuild 4k before I bought it and I may have put 8k on it. The fluid looks the same now as the day I bought it. And I do plan to change it when it warms up a little.

I replaced the FIPL switch soon after getting the truck.

A few weeks ago I went through and cleaned all the connectors and put dielectric grease on them. When I pulled the connector on the passenger side of the trans it was covered in trans fluid. Don't know why. Couldn't get my head in there to see. I figure it goes to the solenoid block and that is messed up.

Later I relaced the MLPS and adjusted it right (about a week and ahalf ago).

I hooked up the self tester today and got back three codes on the KOEO test.

1. 19 Failure in ECA (electronic control assy)- Problems with internal voltage regulator

2. 29 VSS Signal too low (replaced this and the connector months ago)

3. 49 Transaxle problem 1-2 Shift Error

It makes no sense to me why it does this. When it went off today Iw as just cruisin down the street and put a little throttle to it to go around someone and it shifted out of overdive to go then when I let off it slammed back into overdrive and the o/d light started flashing and it went to safe mode.

It also seems to do it more whan I am driving it like a granny. If I am a littel harder on it I usually don't see as many problems out of it.

The only other time the light comes on is occasionally I'll be leaving out of my yard trying to take it easy so I don't spin the tires and it will start to flash, then when I get out of the driveway I just blp the throttle and it stops (I'm guessing this is the 1-2 shift problem.

I have also reprogrammed the PSOM with the correct constant for my tires.

Any suggestions will be appreciated. Thanks.
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post #2 of 5 (permalink) Old 01-16-2010, 05:26 PM
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Re: 92 E4OD Problems

Not to go far off topic but what gears do you have?

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post #3 of 5 (permalink) Old 01-16-2010, 10:06 PM Thread Starter
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Re: 92 E4OD Problems

It's got the stock 4.10's. I meant to put that in there.
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post #4 of 5 (permalink) Old 01-24-2010, 05:41 PM Thread Starter
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Re: 92 E4OD Problems

I forgot to mention a few things and I have an update as well:

First off I checked the FIPL for proper voltage today and it has .996-1v at idle and 3.76 at WOT. From what I have been reading this is right about where it needs to be. I have read that it should be 1.1v but people push it back to .996 for better shifts or something.

I forgot to mention my twitchy speedo. I had replaced the VSS as previously mentioned and I put a PSOM from my old bronco in there the other day and it still twitched. It's not bouncy like a bad VSS usually is, it twitches in 5mph increments up or down corresponding to wether I am accellerating or decelerating.

The cruise control has also never worked since I've had the truck.
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post #5 of 5 (permalink) Old 02-16-2010, 04:32 PM Thread Starter
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Re: 92 E4OD Problems

I just got the pan off and it dosen't look bad. Fluid is smoked but no wierd films or metallic look to it. Has the normal fuzz on the magnet.

Have no plug on the converter so it's just gonna have to wait till later. But it does have a fresh blue paintjob and the inside of the trans has some aftermarket looking parts in it so maybe the rebuild did actually take place.

The O-ring for the filter is fused to the hole it sits in and I'm in the process of scraping it out. Looks like it may not have been sitting up as high as it needed to be.

Also got a used trans computer off ebay I'm going to install if the new fluid and filter won't help.
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