What is EPC?
Jan 13, 2004 | 11:11 AM
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From: Westland, MI
What is EPC?
I checked my codes and they say "Electronic Pressure Control failure".
What is that?
Thanks!
Jan 13, 2004 | 11:49 AM
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Jan 14, 2004 | 10:55 AM
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From: Westland, MI
I think it was 624
They pulled the codes at Autozone, and he didnt know what the "electronic pressure control" meant either.
Thanks for your help
Jan 14, 2004 | 02:35 PM
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From: Concord, NC
The only thing I can think of is something in an automatic transmission...
Jan 14, 2004 | 02:53 PM
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From: Westland, MI
no noticable problems with the tranny yet.
I do get the check engine light on and off, only while on the highway.
anyone else?
Jan 14, 2004 | 04:26 PM
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From: Concord, NC
What transmission is it? Can you tell if the torque converter is locking or not?
Jan 14, 2004 | 08:48 PM
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I would bet it has to do with the line pressure in the trans. does it seem like it's shifting overly harsh? I had the flashing overdrive button happen to me before too. I ended up disconnecting the battery to reset the computer and haven't had any problems since. Knock on wood
Last edited by 95 F150; Jan 14, 2004 at 08:51 PM .
Jan 15, 2004 | 06:56 AM
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Junior User
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From: Westland, MI
How would I know if the torque converter is locking up on the highway? It seems to slip more than normal in the cold morning in first gear, but thats about all I notice. It drives decent and can spin my big tires.
Its an E4OD by the way
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Jan 20, 2004 | 07:29 AM
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From: Westland, MI
Jan 20, 2004 | 12:09 PM
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From: Ashland City, TN
have you replaced the fluids in the torque converter?
And do you do break torques, burnouts whatever.
I've heard of them screwing up torque converters.
Jan 21, 2004 | 12:16 AM
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From: Round Rock, TX
When the torque converter locks/unlocks, it feels like a shift, but the RPMs only change about 100-200 RPM.
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