1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

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Old

Oct 26, 2010 | 09:22 AM

#1

firefighter928

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Joined: Jun 2010

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help

ok here is my problem i have a 1993 f150 302 with E40D. My problem is that while im driving sometimes my speedo starts to trip out or it will stop working altogether and when it stops working my trans will not shift right or properly. any ideas on what it is or could be.

thanks

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Old

Oct 26, 2010 | 11:37 AM

#2

Old93junk

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Joined: Nov 2008

Posts: 23,849

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From: McKenzie River

VSS sensor on top the rear axle is dying a slow, painful, death.........replace, happy motoring.

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Old

Oct 26, 2010 | 12:17 PM

#3

timbersteel

Logistics Pro

Joined: Mar 2005

Posts: 4,698

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From: Mexico, Missouri

^^^What He Said!^^^

Keep on Trucking!!!

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Old

Oct 26, 2010 | 08:42 PM

#4

firefighter928

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thats what i thought it was i have bought 4 different ones and when i put it in the speedo dont work at all.

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Old

Oct 26, 2010 | 10:51 PM

#5

Old93junk

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From: McKenzie River

Quote:

Originally Posted by firefighter928

thats what i thought it was i have bought 4 different ones and when i put it in the speedo dont work at all.

Speedo PSOM is dead, time to start looking for a similar mile replacement from the J-yard.

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Old

Oct 27, 2010 | 12:57 AM

#6

g_k50

Cargo Master

Joined: May 2004

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Likes: 5

check wiring connection to VSS.

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Old

Oct 27, 2010 | 06:11 AM

#7

TexasGuy001

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Joined: Sep 2001

Posts: 11,958

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Try disconnecting the RABS module behind the glove box. I did that an my speedometer is working smooth. I'm waiting for a replacement.

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