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HDGENE
HDGENE, Ford Senior Master/Diesel/Trans
Category: Ford
Satisfied Customers: 5053
Experience:  25 years Auto experience, Ford ,GM, Chrysler, Asian & European
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2001 ford f150 5.4 have code p1746. Need help to diagnosis

Customer Question

2001 ford f150 5.4 have code p1746. Need help to diagnosis problem
Submitted: 1 year ago.
Category: Ford
Expert:  HDGENE replied 1 year ago.

What transmission is in this vehicle a 4R100 or 4R70W? Just this code is stored or whats goin on with the truck

Customer: replied 1 year ago.
I belive it's a 4r70w
Expert:  HDGENE replied 1 year ago.

Its probably a 4R100 but without the vin I cant be sure. It indicates an issue with the EPC line pressure control solenoid for the trans. It can be a faulty epc solenoid, or wiring to it from the PCM to the transmission. Depending on which trans it is if its a 4R70W the solenoid is serviced seperately and can have an issue with it or the internal trans wiring. If its a 4R100, it is serviced as the complete solenoid pack which has all the trans solenoids in one block