Ok, so I have a same, the issue @ hand is this. No problems with shifting, generally it's cold here in Central Oregon so Temps get to single digits @ times. No codes, 1 pending mass evap leak, but check engine light isn't on. Doesn't hesitate one bit, so im at a complete loss on what the actual issue could be. Could it be the stupid torque converter? I'm looking @ diff Trans from jegs as there's some cool kits out there for this rig, but the converters are pretty expensive, like $600+

 

If the OD light is flashing, you need a OBD2 code reader that can read Ford transmission codes. Do you have a 4R70W or E4OD? What is the exact pending code?

 

Hi there, I do have an obd2 scanner, the evap code pending is p0455 mass evap, not sure on the transmission, theres been snow on the ground so havent climbed under there to see the tag

 

Look at the door jamb sticker, TRANS code E is E4OD, U is 4R70W.

A code p0455 most likely means one or more of the following has happened:
A loose or improperly affixed gas cap
A non-conforming gas cap (i.e. not factory/original brand)
Other leak or damaged piece in EVAP system

Possible Solutions
With a p0455, the most common repair is to:
Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back.
Otherwise, replace the gas cap, and/or Inspect the EVAP system for cuts/holes in tubes/hoses (you may hear a vacuum noise or smell fuel), repair if necessary

Read more at: https://www.obd-codes.com/p0455
Copyright OBD-Codes.com

Not all OBD2 scanners can read Ford transmission codes. Generally, you have to spend close to 100 bucks unless you get a ELM327 adapter and use a laptop with Forscan or a phone with Torque Pro.

 

Ok so Trans is the 4R70W, I figured that the mass evap was a bad gas cap "not factory" so ill get a new one of those, also, I actually use torque pro off my phone, cool little gadget, no transmission codes being thrown. Its weird, normally the OD light flashes when i firat start it in the morning, goes away within 5 mins, doesnt normally turn back on until its back to cold. Temp on the trans isnt very high, about 120

 

120 is actually too cold. 195 is normal.

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