Won't shift from first
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Won't shift from first
I have a 2000 excursion v10 4wd. It won't shift out of first unless you lift off the gas. The shift is pretty smooth. I replaced the tps. The trans goes through all the gears and doesn't feel like it's slipping. Any help would be appreciated. I like this truck and want to keep it but a transmission isn't in my budget.
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,698
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From: SE Florida
The first thing to do is to get the codes read. The places that read codes free CANNOT read these codes. You can download Forscan free at www.forscan.org. You'll need an ELM327 adaptor. I bought one from Amazon for less than $30.
Or you can take it to a good independent shop or a Ford dealer.
Or you can take it to a good independent shop or a Ford dealer.
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,698
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From: SE Florida
First, fix the speed sensor code. That could be a bad sensor, but most likely the problem is in the wiring between the PCM and the speed sensor. The sensor is the one on the rear differential.
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,698
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From: SE Florida
Yes, the one on the rear differential.
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I thought sensor a is on top of the trans. But looking at the diff that sensor looks buggered up.
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Frmr Ford Trans Engr
Joined: Aug 1999
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From: SE Florida
The vehicle speed sensor is on the differential. The speed sensors on the transmission are not vehicle speed sensors.
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Make sure to check your wiring for damage, as that could be the problem vs a bad sensor.
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The speed senor code cleared its self seemed to be related to the battery being completely dead. I replaced the ignition coils and it suddenly found the ability to shift all through all four gears on its own. It doesn't come out of first until 3500 rpm. Up to comes back with a range sensor code. Help!!!
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