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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Two new error codes

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Old Dec 15, 2003 | 03:35 PM
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bulldogcountry1's Avatar
bulldogcountry1
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Tuned
Joined: Feb 2002
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From: Vicksburg, MS
Two new error codes

I pulled the error codes yesterday, and this is what I got:

These two have been on there for a while-

327 - EVP or DPFE circuit below minimum voltage
328 - EGR closed voltage higher than expected

These two are new-

173 - HEGO shows system always rich
628 - Converter clutch error (E4OD)


The first three, I would like some advice about how to fix. The last one is rather obvious. I'm rather POed about the 628 because I just rebuilt my E40D back in April, and got a new TC. I knew the torque converter was bad then, but I never got any error codes on it. From day one, the new TC didn't feel right. Why would I get a code now, but not back when it was slipping and vibrating rather badly before I changed it?

Any help? Thanks.
 
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