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I am getting a p0720 code on my 2004 f150 4x4 tritian.

Customer Question
I am getting a...

I am getting a p0720 code on my 2004 f150 4x4 tritian. Changed the output speed sensor and changed the transmission fluid. Found no metal in the transmission pan at all but the truck speedometer is not working and it is still driving in limp mode. Any suggestions?

Mechanic's Assistant: When was the last time your transmission fluid was checked? Changed?

Two days ago

Mechanic's Assistant: Are you fixing your F150 yourself? What have you tried so far?

Yes fixing it my self. I changed transmission fluid, the speed sensor and made sure the range sensor was set correctly.

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

The truck only really function in reverse properly

Submitted: 6 months ago.Category: Ford
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Answered in 7 minutes by:
12/19/2017
Ford Mechanic: David Craig, Auto Mechanic replied 6 months ago
David Craig
David Craig, Auto Mechanic
Category: Ford
Satisfied Customers: 5,581
Experience: owner/mechanic at 3D Automotive
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Hi my name is ***** ***** I'll be more than happy to assist you. Please allow me a few minutes to review your information. Thank you

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Customer reply replied 6 months ago
Where do I find that circuit? Is it on the transmission?
Ford Mechanic: David Craig, Auto Mechanic replied 6 months ago

its the connector for the output speed sensor that you replaced

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Customer reply replied 6 months ago
Ok can we continue this tomorrow I have to goto work
Customer reply replied 6 months ago
I will need time to jack the truck back up and secure everything again will try what was suggested when I get off work tonight and let you know the results
Ford Mechanic: David Craig, Auto Mechanic replied 6 months ago

ok, because there alot more to test if that test is ok

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Customer reply replied 6 months ago
Alright I don't want to have to buy a transmission for this truck not when it seems like that is not really my problem
Ford Mechanic: David Craig, Auto Mechanic replied 6 months ago

i hear ya

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Ford Mechanic: David Craig, Auto Mechanic replied 5 months ago

hows it going?

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Customer reply replied 5 months ago
Been raining the last couple of days so I can't get out there under the truck
Ford Mechanic: David Craig, Auto Mechanic replied 5 months ago

ok thanks

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