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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

bad PCM?

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Old Jun 20, 2009 | 09:32 PM
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bad PCM?

hey guys, im sorta bummed out. i think the PCM took a dump in my truck. i got a CEL a few days ago and tried to pull the codes with no luck. the truck wont stay running long enough to to complete a KOER test, so i tried grounding the DLC under the hood to do a KOEO with no luck either. right now my options are either find one from the junk yard, or buy a reman through oreilly's where i work. im pretty sure ill have to take it to the dealership to have it programed. if i cant find one in a truck can i use one from a mustang, thunderbird or mark VII as long as it has MAF and an auto trans? its a 95 with a 5.0 MAF and 4R70W 2WD transmission
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Old Jun 21, 2009 | 08:08 AM
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You have to ground the STI wire to run the selftest, is that what you were doing?
 
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Old Jun 21, 2009 | 08:17 AM
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I have not heard of a dealership reprogramming one for a 95.

The one you need has either a program code of HUG2 or a Ford Drawing number # F4TF-12A650-APC.
This if and I am guessing that your CALLABRATION NUMBER is 4-54E-R10.
 
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Old Jun 21, 2009 | 05:59 PM
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ehhh, i dont remember what wire it was off the top of my head. i remember double checking it with my EVTM. i also removed the connector for the PCM to make sure all connector pins were in good shape. nothing out of the ordinary...
 
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Old Jun 21, 2009 | 06:00 PM
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i also unplugged the HEGO to see if it would run any different in open loop. it ran the same....and no CEL either.
 
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Old Jun 21, 2009 | 06:54 PM
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if i find a mustang/cougar/t-bird/mark VII with an auto trans, and maf will it work? or even an e150?
 
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Old Jun 21, 2009 | 08:31 PM
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You should get one from a truck or van with a 4R70W transmission, SFI, and a 5.0 MAF engine.
The HUG2 computer are very common, I myself have two spares. It should not be that hard to find.
 
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Old Jul 2, 2009 | 11:30 AM
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hey guys, i found a PCM at a salvage yard with the numbers F4TF 12A650 APA. it also says HUG0 instead of HUG2. he assures me this will work in my 95 f150 5.0 MAF 4R70W, but i dont believe him, and i dont want to drive 68 miles to get the wrong part. can anyone tell me if this will work, or is he blowin smoke?
 
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Old Jul 2, 2009 | 12:35 PM
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I think any HUG? would work, the zero is the first HUG program. HUG1 & HUG2 are newer revisions (improvements) to the program.
Seems like I read this somewhere so I can not say this with 100% certainty.
 
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Old Jul 2, 2009 | 06:48 PM
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i wonder if it will affect performance or driveability in any way...after all it must have been "updated" for a reason right?
 
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