speedo gone crazy
Lead Driver
Joined: Aug 2006
Posts: 5,670
Likes: 13
From: Sand Lake, MI
Sure ya can, and one test in your case that may shed a little light on the subject would be the KOEO test.
If you need instructions on how to do so with a paper clip,
Ford Fuel Injection How To Run a Self-Test
Fleet Owner
Joined: Jan 2008
Posts: 26,898
Likes: 3
From: southern md
pull codes an check back, with codes-mine had 4 codes no check engine light was on!
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New User
Joined: Dec 2005
Posts: 9
Likes: 0
Thanks for the replies. Messed with the connection on the rearend sensor and the wiring harness and the problem went away for now .
will check for codes as soon as I am able to.
Again "Thanks" for all the comments
will check for codes as soon as I am able to.
Again "Thanks" for all the comments
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New User
Joined: Dec 2005
Posts: 9
Likes: 0
Truck started to act up again today. Tried running the self-test and got no codes. The engine light lit up and stayed on.
Tried checking the sensor connection and messing with the wiring harness and got no response this time.
Any one have any sugestion what to do next??????????????
Tried checking the sensor connection and messing with the wiring harness and got no response this time.
Any one have any sugestion what to do next??????????????
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New User
Joined: Dec 2005
Posts: 9
Likes: 0
Odometer seems to still be working right ,haven't seen it go blank.
Haven't found any broken or corroded wires. Tring to check conductivite on the wire to the front of truck. everything seem to be ok
Haven't found any broken or corroded wires. Tring to check conductivite on the wire to the front of truck. everything seem to be ok
New User
Joined: Nov 2008
Posts: 7
Likes: 0
my spedo and trany trouble
i have 1990 f150 4x4 300 i6 auto. to make a realy long story shorter,
my problem was the brass colored gear at the transfer case at end of spedo cable, i was breaking the plastick gear on the spedo cable, thus cousing the speedomitor to jump spratickly (sory bad speller) it was the gear in the transfer case that was bad. > this was shorter story then when my wier to anersa switch caroded. yes thats fun dropping a gass tank for no reason to put new pump in.
my problem was the brass colored gear at the transfer case at end of spedo cable, i was breaking the plastick gear on the spedo cable, thus cousing the speedomitor to jump spratickly (sory bad speller) it was the gear in the transfer case that was bad. > this was shorter story then when my wier to anersa switch caroded. yes thats fun dropping a gass tank for no reason to put new pump in.
