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Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 23001
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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I have a 04 ford explorer sport trac. 4x2 6 cylinder.4.0 i

Customer Question

i have a 04 ford explorer sport trac. 4x2
6 cylinder.4.0
i changed the transmission because it would only go in i replaced it with a nother one that was 76000 turns out that its doing the same thing.its going in reverse and goes forward slowly.and rough.o/d light is flashing and abs light is well as the check engine have shift solenoid and torque converter. the thing is that if i lift the back of the car.the car will go forward and run with no trouble.i also changed the transmission oil and filter on the new transmission.when its on the ground it only goes in reverse but has no force to go forward.we thought it was the catalyc converter and we removed the catalyc converter and its the same thing.
Submitted: 3 months ago.
Category: Ford
Expert:  Dan replied 3 months ago.


You probably have a problem in the wiring harness, since you said it changes when you lift the car. Did any wires get pinched or broken when installing?

Customer: replied 3 months ago.
when i finished installing the other transmission. it drove great for the next 10-15 min but after that it just would go forw3ard but struggling and very slow.but it would go in reverse.i havent checked the wiring.but if it was the wiring how could i check that ??
Expert:  Dan replied 3 months ago.

I would do very close visual inspection of the harness first, make sure all connectors and plugged in all the way. Make sure the wiring did not touch against the cats and melt (have seen this before).

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