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1987 - 1996 F150 & Larger F-Series Trucks
No Power and Erratic Speedometer

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

No Power and Erratic Speedometer

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Old

Sep 10, 2007 | 12:08 PM

#1

hansosc

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No Power and Erratic Speedometer

I have a 1995 F150 1/2ton 2WD 4.9 6cyl. The other day it started running like it had no power, and the speedometer was very erratic. I pulled the speedometer fuse and the truck runs fine. If I put the fuse back the truck idles okay but has no power. Any ideas? would the ABE/Speed Sensor in the rear differential have any effect on engine power?

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Old

Sep 10, 2007 | 12:31 PM

#2

radialarm

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From: Boyd,TX

It couldn't hurt to pull it out clean it and put it back in to find out. It makes about as much sense as pulling the speedo fuse and it runs better does. Sorry I can't be more help.

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Old

Sep 10, 2007 | 04:41 PM

#3

chrono4

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From: Elkhart IN

on the newer trucks like yours, it uses the vss to shift and keep overall control of the tranny. could cause the lack of power.

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Old

Sep 10, 2007 | 07:54 PM

#4

hansosc

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Thanks chrono4, would that still apply is I have a manual tranny?

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Old

Sep 11, 2007 | 06:28 AM

#5

chrono4

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From: Elkhart IN

hm.. I'm not sure if its tied into any engine parameters or not.

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