Transmission problem

[beastly24]

So I have a 2001 Ford explorer sports trac and just had filter changed and everything was running great then out of know where it stopped shifting no warning nothing, where would I begin to look for what could cause transmission to just stop shifting when it was shifting just fine

 

[Turdle]

Check the wiring under hood.

Look at wiring which might be disturbed during air filter change. Check throttle position sensor wiring

Then, try this

2nd gen issues? Try this first!

Sometimes a gremlin can be caused by the smallest thing. There are 2 large wire bundle connectors on the firewall. Both are held tight with a 10mm bolt. Any bad connection in either plug can cause just about any issue. from bad transmission shifting, bad o2 sensor readings, no start, no...

www.explorerforum.com

Check all fuses under hood, and in cabin. Owners manual has fuse locations, double check transmission fuse.

 

[410Fortune]

Check trans fluid level

 

[beastly24]

Check trans fluid level

I definitely did that first thing

 

[Turdle]

Check fuse 13
Under hood. 15 a

 

[Turdle]

Solved - Fuse and relay locations--2nd generation power distribution box Layout-

thank you , now i took ranger to ford n had them to put it on the diagnostic tester. it says relay 4x4 bad, what do i need to order, the relay part which i've done got goes under the truck bout middle ways. i see where it goes but i checked n no fire going to switch. what would i need to do next?

www.explorerforum.com

 

[Turdle]

P0125 P1131, P1151, P0174, P0171, P0303, P0301

 

[beastly24]

Check trans fluid level

Definitely did that first

Check the wiring under hood.

Look at wiring which might be disturbed during air filter change. Check throttle position sensor wiring

Then, try this

2nd gen issues? Try this first!

Sometimes a gremlin can be caused by the smallest thing. There are 2 large wire bundle connectors on the firewall. Both are held tight with a 10mm bolt. Any bad connection in either plug can cause just about any issue. from bad transmission shifting, bad o2 sensor readings, no start, no...

www.explorerforum.com

2nd gen issues? Try this first!

Sometimes a gremlin can be caused by the smallest thing. There are 2 large wire bundle connectors on the firewall. Both are held tight with a 10mm bolt. Any bad connection in either plug can cause just about any issue. from bad transmission shifting, bad o2 sensor readings, no start, no...

www.explorerforum.com

Check all fuses under hood, and in cabin. Owners manual has fuse locations, double check transmission fuse.

I don't have one in there

 

[beastly24]

Its not a 4x4

 

[Turdle]

Have you checked fuses? If you click link in post 6 you'll see how to find both fuse boxes. 99 should be close to 2001. 4x4 or 2wd.

 

[Turdle]

So I have a 2001 Ford explorer sports trac and just had filter changed and everything was running great then out of know where it stopped shifting no warning nothing, where would I begin to look for what could cause transmission to just stop shifting when it was shifting just fine

Which filter was changed?

 

[410Fortune]

I ass u me d it was the trans filter

 

[beastly24]

Which filter was changed?

Transmission

 

[Turdle]

For this out of the blue symptom. Filter could be clogged, or, it fell off it's mount.