<TABLE><TBODY><TR><TD vAlign=top width="100%">I have a 1994 F-150 xlt with an auto trans. every once in a while I will be driving along, holding a constant speed and its like the transmission will kick into neutral for about a second and slam back into gear. The engine revs up and the spedometer goes up just like you are accelarating but you are just coasting. It is very intermittent. sometimes happening 3 times a day to once in a couple months. Any Ideas?
</TD></TR></TBODY></TABLE>

 

fluid level?

 

Wow the speedometer accelarates up and the truck is not accelarating and it is intermittent now thats a good one I am diving into the books right now and will write you back when I come up for air.

 

Sounds like something is slipping past the speedo gear.

 

Are you sure you mean speedometer and not TACHometer?

It just sounds like your transmission is slipping out of gear. Check your fluid level and color.

 

It will be the manual lever position sensor had the same prob with my 93 flair side e4od.

 

has anyone found the alignment tool for the manual lever?

 

the fluid looks good and the level is up- and spedometer not tach. where is that position sensor you are talking about?

 

my bad, spedometer AND tach go up

 

Here's the instructions for adjusting the MLPS from my service manual:

 

thank you so much for the info, will try adjusting and get back to u!- Shannon

 

i have a 1993 F-150 and my truck does the same thing. shift out of nuetral and kick back into gear. I was wondering if that was wrong with my truck. i just replaced the rearend with an older one. there is no speed sensor in the rearend so my speedometer doesn't work. could that be a problem with mine and if so is there someway to relocate it?

 

I have a 94 with the e40d tranny and had the same problem for over a year. Everytime the dealers looked at it they could not duplicate the fault and no codes are recorded. They even had the tranny "expert" drive it for two weeks while I was on Holiday. I finally found a tranny man that suggested it was the "Manual Level Position Sensor" that was known to get water in it and intermittently short. This would cause the tranny to switch gears without moving the level and then back into o/d when not shorted. (mine would do it for less than a second). He said if it is "brown" in color, then it is the old type and should be replaced. He replaced mine three weeks ago (about $100) and I've been trouble free since. Touch wood.

See the post by Scandocious 09-14-2007 for a picture of this sensor

 

Another vote for MLPS. I also think they're cheap enough that you should just replace it and forget trying to adjust it. There was a TSB out from Ford regarding the problem of water getting into the switch, I believe. I don't remember the # but I found it when the Bronco did this same thing.

 

Just an update... the fault never came back since the MLPS was changed...
I sold the truck in March of 2008 and do miss it except when it came time to put fuel in it.