EEC-IV, E4OD, EPC Theory
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Joined: Jul 2008
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EEC-IV, E4OD, EPC Theory
Hi,
a) Can anyone explain the EPC solenoid sequence of operation. For example;
Minimum PCM pin 38 voltage, maximum EPC current, solenoid on, valve open/closed?, control fluid pressure min/max?, line pressure min/max?
b) How to increase shift firmness by changing input(s) to the PCM for the shift time only?
Any thoughts appreciated
'94 F-150 4.9L
cheers, dave
a) Can anyone explain the EPC solenoid sequence of operation. For example;
Minimum PCM pin 38 voltage, maximum EPC current, solenoid on, valve open/closed?, control fluid pressure min/max?, line pressure min/max?
b) How to increase shift firmness by changing input(s) to the PCM for the shift time only?
Any thoughts appreciated
'94 F-150 4.9L
cheers, dave
Fleet Owner
Joined: Oct 2005
Posts: 20,784
Likes: 1,751
From: Kentucky
I found this: https://www.ford-trucks.com/forums/1...operation.html in this forum further down the front page: Clutch, Transmission, Differential, Axle & Transfer Case - Ford Truck Enthusiasts Forums
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