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1997 - 2003 F150 1997-2003 F150, 1997-1999 F250LD, 7700 & 2004 F150 Heritage SPONSORED BY:

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Old 09-14-2005, 12:09 AM
paul812 paul812 is offline
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re-setting PCM -'01 4.2

has anyone tried pulling the PCM fuse for 5-10 minutes to reset it? i don't see why this wouldn't work, but i've never heard of anyone trying it. If not, are you supposed to pull the positive or negative battery terminal? thanks....paul
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Old 09-14-2005, 06:16 PM
lancekilgore lancekilgore is offline
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It should work, but from what I read everyone just pulls the neg cable off for about five min. if you undo the positive before the neg cable you run a chance of shorting the wrench and causing a spark that is why you do the neg cable. you can touch the body all day with the wrench and it won't spark.

Lance
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Old 09-14-2005, 09:21 PM
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triton_2002 triton_2002 is offline
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I would leave the battery disconnected for at least 15 min. and turn on the headlights to drain the electrical system. And defenitley pull off the neg. cable as suggested above.
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Old 09-14-2005, 09:21 PM
 
 
 
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