troubleshooting

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Dec 31, 2003 | 02:41 PM

unclematty

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troubleshooting

99 F-250 super duty, 4x4, powerstroke, lariat, 3.73 rear. speedo does not work until 57mph. ABS light is illuminated constantly. OD annunciator flashes untill 57 mph or greater is achieved and the speed is held for 30 seconds. any ideas??

thanks, unclematty

p.s. trucke was "born" 6/99, so there is only rear abs.

Dec 31, 2003 | 03:25 PM

99f350sd

Lead Driver

Joined: May 2003

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From: Lyndonville, Vermont

Speed sensor on the rear end...most likely $21.00 and 5 mins to change.

Jan 1, 2004 | 12:10 AM

unclematty

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ok, thanks looked at it today. Cleaned the receptical, but no luck. Are any special tools or tricks required to R &R?

Jan 1, 2004 | 12:19 AM

n578md

Posting Guru

Joined: Nov 2003

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From: Allen, Tx

You'll have to remove the bolt and take the actual VSS (Vehicle Speed Sensor) out and clean that too. It may have a lot of metal crap on it. If that doesn't do it, then just buy a new one.

Jan 1, 2004 | 12:25 AM

FortyFords

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Joined: Jan 2002

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From: USA

Also if the sensor does have alot of gunk and metal particles ,time for rear diff fluid change.

Whats the milage?

Rich